Republican leaders and lawmakers on Monday night were quick to rally around President Trump Donald John TrumpBiden on Trump's refusal to commit to peaceful transfer of power: 'What country are we in?' Romney: 'Unthinkable and unacceptable' to not commit to peaceful transition of power Two Louisville police officers shot amid Breonna Taylor grand jury protests MORE's decision to nominate federal appeals court Judge Brett Kavanaugh to the Supreme Court.

GOP senators and other conservatives praised Kavanaugh's academic credentials and judicial track record and expressed optimism that he'd be promptly confirmed.

Senate Majority Leader Mitch McConnell Addison (Mitch) Mitchell McConnellFEC flags McConnell campaign over suspected accounting errors Poll: 59 percent think president elected in November should name next Supreme Court justice Mark Kelly: Arizona Senate race winner should be sworn in 'promptly' MORE (R-Ky.), who reportedly warned Trump that other Supreme Court finalists would be easier to confirm than Kavanaugh, touted the judge's "intellect, experience, and exemplary judicial temperament."

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"He has won the respect of his peers and is highly regarded throughout the legal community. And his judicial record demonstrates a firm understanding of the role of a judge in our Republic: Setting aside personal views and political preferences in order to interpret our laws as they are written," McConnell said in a statement.

"This is an opportunity for Senators to put partisanship aside and consider his legal qualifications with the fairness, respect, and seriousness that a Supreme Court nomination ought to command,” he added.

Speaker Paul Ryan Paul Davis RyanKenosha will be a good bellwether in 2020 At indoor rally, Pence says election runs through Wisconsin Juan Williams: Breaking down the debates MORE (R-Wis.) called Kavanaugh an "excellent choice," and highlighted the judge's commitment to religious liberty.

"He has shown that Constitutional principles are the ultimate guide for his opinions. I look forward to Judge Kavanaugh’s swift confirmation in the Senate," Ryan said in a statement.

Trump tapped Kavanaugh, 53, to replace Justice Anthony Kennedy, who is retiring at the end of the month. Prior to serving on the U.S. Court of Appeals for the District of Columbia Circuit, Kavanaugh worked under former President George W. Bush, as well as for Kenneth Starr, the independent counsel who investigated former President Clinton in the 1990s.

Bush praised the nomination as well, saying in a statement that that his former aide "will make a superb Justice."

"Brett is a brilliant jurist who has faithfully applied the Constitution and laws throughout his 12 years on the D.C. Circuit," Bush said. "He is a fine husband, father, and friend — and a man of the highest integrity."

Kavanaugh's nomination is likely to set off a bitter fight in the Senate, where Republicans hold a 51-49 edge. With Sen. John McCain John Sidney McCainThe Memo: Trump's strengths complicate election picture Mark Kelly: Arizona Senate race winner should be sworn in 'promptly' Cindy McCain: Trump allegedly calling war dead 'losers' was 'pretty much' last straw before Biden endorsement MORE (R-Ariz.) at home recovering from cancer treatment, the GOP can't afford any defections unless a Democrat votes to confirm Kavanaugh.

Some Republicans were quick to call out Democrats for their expected opposition to Trump's pick.

"Brett Kavanaugh is a serious jurist known for careful deliberation. This doesn’t matter to many on the left. Sadly, the #Resistance is going to try to bork him by portraying him as a cross between Lex Luthor and Darth Vader," Sen. Ben Sasse Benjamin (Ben) Eric SasseTrump says he'll sign order aimed at protecting premature babies in appeal to religious voters Government watchdog recommends creation of White House cyber director position Chamber of Commerce endorses McSally for reelection MORE (R-Neb.) said in a statement.

"This isn’t the apocalypse — this is an opportunity to thoroughly review Kavanaugh’s record, debate this seriously, and celebrate our system of checks, balances, and limited government," he added.

Sen. John Thune John Randolph ThuneOvernight Defense: Stopgap spending measure awaits Senate vote | Trump nominates former Nunes aide for intelligence community watchdog | Trump extends ban on racial discrimination training to contractors, military Remote work poses state tax challenges Senate GOP sees early Supreme Court vote as political booster shot MORE (R-S.D.), the third-ranking Republican in the Senate, encouraged Democrats to “carefully review the qualification of this nominee instead of trying to solicit his opinions on political issues.”

Read my statement on the president’s nomination of Judge Brett Kavanaugh to the Supreme Court ⬇ pic.twitter.com/1lwX5zDN8Z — Senator John Thune (@SenJohnThune) July 9, 2018

Sen. Mike Lee Michael (Mike) Shumway LeeMcConnell shores up GOP support for coronavirus package McConnell tries to unify GOP Davis: The Hall of Shame for GOP senators who remain silent on Donald Trump MORE (R-Utah), who spoke with Trump last week about the court vacancy and was on the president's list of 25 potential nominees, praised Kavanaugh as a "smart and fair judge."

I look forward to the process in the Senate, getting to know Judge Kavanaugh and his family better in coming months, and, hopefully, voting to confirm him to the Supreme Court in the fall. #SCOTUS #SCOTUSpick — Mike Lee (@SenMikeLee) July 9, 2018

Sen. Susan Collins Susan Margaret CollinsClub for Growth to spend million in ads for Trump Supreme Court nominee Maryland's GOP governor says Republicans shouldn't rush SCOTUS vote before election The Hill's Morning Report - Sponsored by Facebook - GOP closes ranks to fill SCOTUS vacancy by November MORE (R-Maine), a centrist whom Democrats are expected to court to oppose Kavanaugh, said in a statement following his nomination that she will “conduct a careful, thorough vetting.”

“I look forward to Judge Kavanaugh’s public hearing before the Senate judiciary Committee and to questioning him in a meeting in my office," Collins said in a statement.

My statement on Supreme Court nominee Judge Brett Kavanaugh https://t.co/R8SNnDGOXL pic.twitter.com/2O8kDjGurU — Sen. Susan Collins (@SenatorCollins) July 9, 2018

Sen. Rand Paul Randal (Rand) Howard PaulRand Paul says he can't judge 'guilt or innocence' in Breonna Taylor case Overnight Health Care: Health officials tell public to trust in science | Despair at CDC under Trump influence | A new vaccine phase 3 trial starts Health officials tell public to trust in science MORE (R-Ky.), who declined an invitation to attend Trump's announcement Monday night, tweeted that he will meet with Kavanaugh "with an open mind."