She is a marvelously complicated, funny, infuriating, and in some ways deeply admirable character.
As Ezra Klein acknowledged, Mitt is a marvelously talented -- if so pragmatic he infuriates ideologues -- manager.
c.1300, "causing wonder," from Old French merveillos "marvelous, wonderful" (Modern French merveilleux), from merveille (see marvel (n.)). Weakened sense of "splendid, very nice" is from 1924. Related: Marvelously.