discover (Verb) — Determine the existence, presence, or fact of. ex. "She discovered high levels of lead in her drinking water"
discover (Verb) — Get to know or become aware of, usually accidentally. ex. "I discovered that she has two grown-up children"
discover (Verb) — Make a discovery, make a new finding. ex. "Roentgen discovered X-rays"
discover (Verb) — Determine following investigation. ex. "The story is false, so far as I can discover"
discover (Verb) — Find unexpectedly. ex. "she discovered a goldmine"
discover (Verb) — Make known to the public information that was previously known only to a few people or that was meant to be kept a secret. ex. "discover the evidence in the murder case"
discover (Verb) — See for the first time; make a discovery. ex. "Who discovered the North Pole?"
discover (Verb) — Classify or apply the appropriate name to, e.g. in botany or biology.