be as well

be (just) as well

To be smart or prudent to do something. It's just as well to apply to a few other schools, too, in case you don't get into your first choice.
See also: well
Farlex Dictionary of Idioms.

be (just) as ˈwell (to do something)

be sensible or wise (to do something): It’s just as well to lock the door, even if you only go out for a short while.
See also: well
Farlex Partner Idioms Dictionary
See also:
  • be (just) as well
  • wise up to
  • wise up to (someone or something)
  • wise up to someone/something
  • get smart
  • get smart (with one)
  • get smart with someone
  • (as) smart as paint
  • smart
  • (one) smart apple