sententia (the Latin name for a one-sentence dictum or proposition)

his ideas were expressed in brief sententious phrases

the sentnious language of the worker who wants, as a Socialist, to 'learn something'

his father replying "From each according to his ability" or something similarly sententious and correct

the place of a sententious injunction that always feigns to speak like the just

The sententious tracts of the Gilded Age had always been aimed at breadwinners and would-be financiers, which is to say, at men

the sententious authority of his flamboyantly individualistic style

I flipped through. Four hundred pages of hippie sententiousness.

Stefano now tried to amuse her, but being amusing had never been his strong point, sentimental tones suited him better, or the sententious phrases of the mature man who knows what he wants

Naipaul performs the sententious figure of caricature