ascertained

(verb) establish after a calculation, investigation, experiment, survey, or study. Synonyms: determine, find, find out, ascertain. Examples: "Find the product of two numbers." "The physicist who found the elusive particle won the nobel prize."

(verb) be careful or certain to do something; make certain of something. Synonyms: see, check, insure, see to it, ensure, control, ascertain, assure. Examples: "He verified that the valves were closed." "See that the curtains are closed." "Control the quality of the product."

(verb) find out, learn, or determine with certainty, usually by making an inquiry or other effort. Synonyms: determine, check, find out, see, ascertain, watch, learn. Examples: "I want to see whether she speaks french." "See whether it works." "Find out if he speaks russian." "Check whether the train leaves on time."

(verb) learn or discover with certainty. Synonyms: ascertain.

(adj) discovered or determined by scientific observation. Synonyms: discovered, observed. Examples: "Variation in the ascertained flux depends on a number of factors." "The discovered behavior norms." "Discovered differences in achievement." "No explanation for the observed phenomena."