electable

Surrounded by party leaders, all them who see him as the most electable Democratic candidate, McAuliffe promises the biggest investments in public education in the commonwealth's history, with a catchy slogan, taped onto his lectern.
The Trailer: Five lessons from the GOP’s good election night|David Weigel|November 4, 2021|Washington Post
On the surface, that appears to have been an effort to make her more electable by courting moderate and conservative voters.
Kyrsten Sinema Is Confounding Her Own Party. But … Why?|Nathaniel Rakich (nathaniel.rakich@fivethirtyeight.com)|October 11, 2021|FiveThirtyEight
Will it convince Americans that nonbelievers can be trustworthy, moral, and even electable?
Loud, Proud, and Atheist: ‘Openly Secular’ Encourages Nonbelievers to Come Out of the Closet|Vlad Chituc|September 25, 2014|DAILY BEAST
Is he electable in the general [election], and how does he meet the commander in chief threshold?
Did the RNC Just Set the Table for Rand Paul?|David Freedlander|May 14, 2014|DAILY BEAST

Historically, “establishment” in this context also basically means “most formidable” and “most electable.”
The Numbers Don’t Lie: Jeb Bush Can’t Beat Hillary Clinton|Michael Tomasky|May 5, 2014|DAILY BEAST
Not long ago, I observed on television that he is likely to be most electable Republican.
Why the GOP Needs a Return to the Bush Leagues|Robert Shrum|April 21, 2014|DAILY BEAST
In which case, the Republican Party will have lost its most electable candidate for the 2016 cycle.
Goodbye Chris Christie, and Hello Scott Walker|Jamelle Bouie|January 31, 2014|DAILY BEAST