definition of
validate

[1] #1 validate v. [formalize, formalise] declare or make legally valid. wn

[2] #2 validate v. prove valid; show or confirm the validity of something. wn

[3] #3 validate v. [corroborate] give evidence for. wn

[4] #4 validate v. make valid or confirm the validity of; "validate a ticket". wn