tr.v. rat·i·fied, rat·i·fy·ing, rat·i·fies
To approve and give formal sanction to; confirm: The Senate ratified the treaty.
[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.]
rat′i·fi·cation (-fĭ-kāshən) n.
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2020 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Indo-European & Semitic Roots Appendices
Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:
The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.