We found 2 definitions of do well from 2 different sources.
Verb |
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do well - act in one's own or everybody's best interest; "You will do well to arrive on time tomorrow!" | ||
had best | ||
act, move behave in a certain manner; show a certain behavior; conduct or comport oneself; "You should act like an adult"; "Don't behave like a fool"; "What makes her do this way?"; "The dog acts ferocious, but he is really afraid of people" |