TEN'ET, noun [Latin tenet he holds.] Any opinion, principle, dogma or doctrine which a person believes or maintains as true; as the tenets of Plato or of Cicero. The tenets of christians are adopted from the Scriptures; but different interpretations give rise to a great diversity of tenets.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI