SENTEN'TIOUS, adjective 1. Abounding with sentences, axioms and maxims; short and energetic; as a sententious style or discourse; sententious truth. How he apes his sire, Ambitiously sententious. Addison. 2. Comprising sentences; as sententious marks. [This should be sentential.]
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI