from The American Heritage® Dictionary of the English Language, 4th Edition
- transitive v. To approve and give formal sanction to; confirm. See Synonyms at approve.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- v. To give formal consent to; make officially valid.
from the GNU version of the Collaborative International Dictionary of English
- transitive v. To approve and sanction; to make valid; to confirm; to establish; to settle; especially, to give sanction to, as something done by an agent or servant
from The Century Dictionary and Cyclopedia
- To confirm; establish; settle conclusively or authoritatively; make certain or lasting.
- To validate by some formal act of approval; accept and sanction, as something done by an agent or a representative; confirm as a valid act or procedure.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- v. approve and express assent, responsibility, or obligation
Middle English ratifien, from Old French ratifier, from Medieval Latin ratificāre : Latin ratus, fixed, past participle of rērī, to reckon, consider; see rate1 + Latin -ficāre, -fy.(American Heritage® Dictionary of the English Language, Fourth Edition)
From Medieval Latin ratifico, from Latin ratus ("reckoned"). (Wiktionary)