1.  validate(v = verb.social) formalise, formalize - declare or make legally valid;
is one way to authorise, authorize, clear, pass
Antonym: invalidate
Sample sentences: Somebody ----s something; Something ----s something

2.  validate(v = verb.cognition) - prove valid; show or confirm the validity of something;
is one way to affirm, confirm, corroborate, substantiate, support, sustain
Antonym: invalidate
Derived forms noun validation₁, noun validation₂, adjective validatory₁
Sample sentences: Somebody ----s something; Something ----s something

3.  validate(v = verb.communication) corroborate - give evidence for;
is one way to confirm, reassert
Derived forms noun validation₁, noun validation₂, adjective validatory₁
Sample sentences: Somebody ----s something; Something ----s something

4.  validate(v = verb.change) - make valid or confirm the validity of; "validate a ticket"
is one way to alter, change, modify
Antonym: invalidate
Sample sentences: Somebody ----s something; Something ----s something

   To confirm; to render valid; to give legal force to. [1913 Webster]
"The chamber of deputies . . . refusing to validate at once the election of an official candidate." [1913 Webster]

validate, v.tr. make valid; ratify, confirm.

Derivative:
validation n.

Etymology:
med.L validare f. L (as VALID)