become
     v 1: enter or assume a certain state or condition; "He became
          annoyed when he heard the bad news"; "It must be getting
          more serious"; "her face went red with anger"; "She went
          into ecstasy"; "Get going!" [syn: {go}, {get}]
     2: undergo a change or development; "The water turned into
        ice"; "Her former friend became her worst enemy"; "He
        turned traitor" [syn: {turn}]
     3: come into existence; "What becomes has duration"
     4: enhance the appearance of; "Mourning becomes Electra"; "This
        behavior doesn't suit you!" [syn: {suit}]
     [also: {became}]
Source: WordNet® 2.0