abounding in or given to pompous or aphoristic moralizing
<adj.all> too often the significant episode deteriorates into sententious conversation
concise and full of meaning
<adj.all> welcomed her pithy comments the peculiarly sardonic and sententious style in which Don Luis composed his epigrams
Sententious \Sen*ten"tious\, a.[L. sentenciosus: cf. F. sentencieux.] 1. Abounding with sentences, axioms, and maxims; full of meaning; terse and energetic in expression; pithy; as, a sententious style or discourse; sententious truth.
How he apes his sire, Ambitiously sententious! --Addison.
2. Comprising or representing sentences; sentential. [Obs.] ``Sententious marks.'' --Grew. ※ -- {Sen*ten"tious*ly}, adv. -- {Sen*ten"tious*ness}, n.
As midnight approached, Mr. Musburger turned sententious.