When the U. S. Constitution was signed it was ratified.
When all the delegates sign a constitution, this is an example of a situation where they ratify the constitution.
Origin of ratifyMiddle English ratifien ; from Middle French ratifier ; from Medieval Latin ratificare ; from Classical Latin ratus (see rate) + facere, to make, do
transitive verbrat·i·fied, rat·i·fy·ing, rat·i·fies
Origin of ratifyMiddle English ratifien, from Old French ratifier, from Medieval Latin ratificare : Latin ratus, fixed, past participle of r&emacron;r&imacron;, to reckon, consider; see rate1 + Latin -ficare, -fy.
(third-person singular simple present ratifies, present participle ratifying, simple past and past participle ratified)
From Medieval Latin ratifico, from Latin ratus (“reckoned").
ratify - Legal Definition