hold, keep (to a limit), suffice / retain, keep, remain / detain, keep, retain

a button (clothing) / a button (mechanical device)

a shirt / an undershirt, a vest

distal demonstrative, something far off removed from both speaker and listener: that, yon / particularly, male personal third person pronoun: he / by extension from he: boyfriend

he; boyfriend

he / distal demonstrative, something far off removed from both speaker and listener: that / boyfriend

(computing, graphical user interface) Start button

buttonhole (hole for a button)

reset button

an aloha shirt