Verbs

(v)detect, observe, find, discover, noticediscover or determine the existence, presence, or fact of by perception with the eyes“She detected high levels of lead in her drinking water”, “We found traces of lead in the paint”
(v)learn, hear, get word, get wind, pick up, find out, get a line, discover, seeget to know or become aware of, usually accidentally“I learned that she has two grown-up children”, “I see that you have been promoted”
(v)discover, findmake a discovery, make a new finding“Roentgen discovered X-rays”, “Physicists believe they found a new elementary particle”
(v)fall upon, strike, come upon, light upon, chance upon, come across, chance on, happen upon, attain, discoverfind unexpectedly“the archeologists chanced upon an old tomb”, “she struck a goldmine”, “The hikers finally struck the main path to the lake”
(v)unwrap, disclose, let on, bring out, reveal, discover, expose, divulge, break, give away, let out, uncovermake known to the public information that was previously known only to a few people or that was meant to be kept a secret“The auction house would not disclose the price at which the van Gogh had sold”, “The actress won't reveal how old she is”, “bring out the truth”, “he broke the news to her”, “unwrap the evidence in the murder case”, “The newspaper uncovered the President's illegal dealings”
(v)discoversee for the first time; make a discovery“Who discovered the North Pole?”
(v)identify, discover, key, key out, distinguish, describe, nameidentify as in botany or biology, for example