establish the validity of something, as by an example, explanation or experiment; "The experiment demonstrated the instability of the compound"; "The mathematician showed the validity of the conjecture"
prove formally; demonstrate by a mathematical, formal proof
obtain probate of; "prove a will"
take a trial impression of
be shown or be found to be; "She proved to be right"; "The medicine turned out to save her life"; "She turned up HIV positive"
(military) withdrawal of troops to a more favorable position to escape the enemy's superior forces or after a defeat; "the disorderly retreat of French troops"
(military) a bugle call signaling the lowering of the flag at sunset
(military) a signal to begin a withdrawal from a dangerous position
a place of privacy; a place affording peace and quiet
make a retreat from an earlier commitment or activity; "We'll have to crawfish out from meeting with him"; "He backed out of his earlier promise"; "The aggressive investment company pulled in its horns"
move away, as for privacy; "The Pope retreats to Castelgondolfo every summer"
move to and fro; "The shy student lingered in the corner"
be undecided about something; waver between conflicting positions or courses of action; "He oscillates between accepting the new position and retirement"
separate or isolate (one thing) from another and place in a group apart from others; "the sun segregates the carbon"; "large mining claims are segregated into smaller claims"
divide from the main body or mass and collect; "Many towns segregated into new counties"; "Experiments show clearly that genes segregate"
separate by race or religion; practice a policy of racial segregation; "This neighborhood is segregated"; "We don't segregate in this county"