condign

They wish it for many reasons: as condign punishment for his crimes against democracy, the subject of a new federal indictment filed Tuesday; payback for his exploitation of the criminal justice system for his own ends; petty vengeance against an obnoxious antagonist; and a means of ridding the country of his toxic presence.

Such rejection, Will wrote, would be “condign punishment for their Vichyite collaboration.”

How is the word "condign" now most frequently employed?

In connection with punishment: thus we speak of "condign punishment," meaning richly deserved punishment.

Asked about the matter at Prime Minister's Questions on Wednesday, Boris Johnson said having the party whip withdrawn had been "condign", or appropriate punishment in this instance.