/ Thesaurus / P Synonyms of perennation Find synonyms for: Noun1. perennation, organic process, biological processusage: the process of living through a number of years (as a perennial plant)WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: diaphanous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language