ascertain vs determine

ascertain and determine both are verbs.

Word	Noun	Adjective	Verb	Adverb
ascertain	No	No	Yes	No
determine	No	No	Yes	No

As verbs, ascertain and determine are synonyms defined as:

ascertain and determine: find out, learn, or determine with certainty, usually by making an inquiry or other effort

Other synonyms of ascertain include check, find out, learn, see, watch.

As verbs, ascertain and determine are synonyms defined as:

ascertain and determine: establish after a calculation, investigation, experiment, survey, or study

Other synonyms of ascertain include find, find out.

ascertain (verb)	determine (verb)
be careful or certain to do something; make certain of something	reach, make, or come to a decision about something
learn or discover with certainty	fix conclusively or authoritatively
find out, learn, or determine with certainty, usually by making an inquiry or other effort	shape or influence; give direction to
establish after a calculation, investigation, experiment, survey, or study	fix in scope; fix the boundaries of
	establish after a calculation, investigation, experiment, survey, or study
	find out, learn, or determine with certainty, usually by making an inquiry or other effort
	decide upon or fix definitely
	settle conclusively; come to terms