(one) would do well to (do something)

(one) would do well to (do something)

One would benefit or fare better from, or be prudent or responsible by, doing some specific task or action. You would do well to show up to work on time tomorrow if you care to keep your job. You would do well to hire a lawyer now in case he decides to sue. You would do well to call your mother and let her know you're all right—you know how she worries.
See also: to, well
Farlex Dictionary of Idioms. © 2022 Farlex, Inc, all rights reserved.

do ˈwell to do something

be sensible or wise to do something: You’d do well to remember that I’m paying the bill.They did well to sell when the price was high.
See also: something, to, well
Farlex Partner Idioms Dictionary © Farlex 2017
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