Main Entry:

rat·i·fy

Pronunciation:

\ˈra-tə-ˌfī\

Function:

transitive verb

Inflected Form(s):

rat·i·fied; rat·i·fy·ing

Etymology:

Middle English ratifien, from Anglo-French ratifier, from Medieval Latin ratificare, from Latin ratus determined, from past participle of reri to calculate — more at reason

Date:

14th century

: to approve and sanction formally : confirm <ratify a treaty>

— rat·i·fi·ca·tion \ˌra-tə-fə-ˈkā-shən\ noun

— rat·i·fi·er \ˈra-tə-ˌfī(-ə)r\ noun