be·come 
/bɪˈkʌm/ verb
be·comes; be·came /bɪˈkʌm/ verb /-ˈkeɪm/ be·come; be·com·ing 1 [linking verb] : to begin to be or come to be something specified
▪ Although I've known him for years, we didn't become close friends until recently. ▪ She won the election, becoming the first woman to be President of the nation. ▪ They both became teachers. : to begin to have a specified quality ▪ The book has become quite popular. ▪ We became interested in the property last year. ▪ The crackers had become stale. ▪ It's becoming [=getting] quite cold in the evenings. ▪ It eventually became clear that he had lied. ▪ She's become [=gotten] somewhat cynical. 2 [+ obj] formal a not used in progressive tenses : to look attractive on (someone) : to be flattering to (someone)
▪ That dress becomes you.
b : to be suitable for (someone) : to be proper for (someone)
▪ Though poor, he carried himself with a dignity becoming [=befitting] a king. ▪ This kind of behavior hardly becomes a person of your age and position.
▪ Although I've known him for years, we didn't become close friends until recently. ▪ She won the election, becoming the first woman to be President of the nation. ▪ They both became teachers. : to begin to have a specified quality ▪ The book has become quite popular. ▪ We became interested in the property last year. ▪ The crackers had become stale. ▪ It's becoming [=getting] quite cold in the evenings. ▪ It eventually became clear that he had lied. ▪ She's become [=gotten] somewhat cynical.
▪ That dress becomes you.
b : to be suitable for (someone) : to be proper for (someone)
▪ Though poor, he carried himself with a dignity becoming [=befitting] a king. ▪ This kind of behavior hardly becomes a person of your age and position.
become of
: to happen to
▪ Whatever became of our old friend? I haven't heard from her in years. ▪ I don't know what became of my keys. I can't find them anywhere.
▪ Whatever became of our old friend? I haven't heard from her in years. ▪ I don't know what became of my keys. I can't find them anywhere.
