| Legalize 1. (v. t.) To make legal. 2. (v. t.) To interpret or apply in a legal spirit. Thesaurus Entries authorize, certificate, certify, charter, constitute, declare lawful, decree, empower, enable, enact, enfranchise, entitle, establish, formulate, franchise, give official sanction, give power, legislate, legitimate, legitimatize, legitimize, license, make a regulation, make legal, ordain, patent, prescribe, privilege, put in force, ratify, regulate, sanction, validate, warrant | ![]() |