Unmistakably (`plain' is often used informally for `plainly'):
— He was manifestly too important to leave off the guest list.

synonyms: apparently, evidently, obviously, patently, plain, plainly.

Roget 525: manifestly, openly etc. adj.; before one's eyes, under one's nose, to one's face, face to face, above board, cartes sur table, on the stage, in open court, in the open streets; in market overt; in the face of day, face of heaven; in broad daylight, in open daylight; without reserve; at first blush, prima facie [Lat.], on the face of; in set terms.    ... show more