validate vs authorize

validate and authorize both are verbs.

Word	Noun	Adjective	Verb	Adverb
validate	No	No	Yes	No
authorize	No	No	Yes	No

As verbs, authorize is a hypernym of validate; that is, authorize is a word with a broader meaning than validate:

Other hypernyms of validate include authorise, clear, pass.

validate (verb)	authorize (verb)
make valid or confirm the validity of	grant authorization or clearance for
prove valid; show or confirm the validity of something	give or delegate power or authority to
give evidence for
declare or make legally valid