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 Harvard.
See also: well

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