ratify

to give official acceptance of as satisfactory Lincoln's home state of Illinois was the first to ratify the 13th Amendment to the U.S. Constitution, which provided for the abolition of slavery Synonyms accredit, approbate, authorize, clear, confirm, finalize, formalize, homologate, OK (or okay), approve, sanction, warrantRelated Words accept, acknowledge, affirm; certify, endorse (also indorse), validate; bless, canonize, sanctify; initial, rubber-stamp, sign, sign off (on); allow, enable, legalize, license (also licence), pass, permit; reapproveNear Antonyms ban, enjoin, forbid, illegalize, interdict, prohibit, proscribe; disregard, ignore, neglect, overlook; rebuff, rebut, refuse, spurnAntonyms decline, deny, disallow, disapprove, negative, reject, turn down, veto