transitive verb. To discover with certainty, as through examination or experimentation. synonym: discover.

transitive verb. To make certain, definite, and precise.

To make certain; determine; define or reduce to precision by removing doubt, obscurity, or ambiguity; establish; prove.

To find out by trial, examination, or experiment, so as to know as certain; acquire an accurate knowledge of: as, to ascertain the weight of a commodity or the purity of a metal.

To make sure of; insure.

To make certain or sure; certify; assure; inform.

To establish with certainty; render invariable, or not subject to caprice; fix.

transitive verb. To render (a person) certain; to cause to feel certain; to make confident; to assure; to apprise.

transitive verb. To make (a thing) certain to the mind; to free from obscurity, doubt, or change; to make sure of; to fix; to determine.

transitive verb. To find out or learn for a certainty, by trial, examination, or experiment; to get to know.

verb. To find out definitely; to discover or establish.

verb. find out, learn, or determine with certainty, usually by making an inquiry or other effort

verb. establish after a calculation, investigation, experiment, survey, or study

verb. be careful or certain to do something; make certain of something

verb. learn or discover with certainty

"I was able to ascertain from the News forum that there's at least one Telcel shop in Alamos."

admeasure  count  enumerate  gauge  locate  

Alane  Aquitaine  Ayn  Bahrain  Biscayne  

afford proof of  appraise  ask  assure  be informed  

ascertained  ascertaining  ascertains