platitudinize

verb2

1. •
   To utter one or more platitudes; to make obvious, trivial, or clichéd remarks concerning a topic.

   • He does not attempt lofty flights of eloquence or try to disguise thought under ponderous platitudinising sentences. — 1894
2. •
   To express as or reduce to one or more clichés or truisms.

   • Mendelssohn had misunderstood, platitudinized, and misinterpreted the holy concept of revelation. — 1842