/ Thesaurus / S Synonyms of solidification Find synonyms for: Noun1. hardening, solidifying, solidification, set, curing, natural process, natural action, action, activityusage: the process of becoming hard or solid by cooling or drying or crystallization; "the hardening of concrete"; "he tested the set of the glue"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: labyrinth Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language