Does anyone besides me have this word in their spoken vocabulary? (i don't think i have ever writen it... and i always add an s--

someone in an uncomfortable position (sitting on railing, or perched on a rock, or in the grass) could be gotten a chair, but they might not move to sit in it right away... if some one encouraged them too much, you might say, "she'll move when it behoofs her" (i would have guessed behooves as a spelling..) and let them remain, comfortable, in what seems to you, an uncomfortable seat.

My parents certainly used it more than i do...but its been know to pass my lips.