1. Short underpants for women or children (usually used in the plural)
   - pantie, panty, scanty

1. Get involved, so as to alter or hinder an action, or through force or threat of force
   - intervene, interfere, interpose 
2. Act as a substitute
   - substitute, deputize, deputise [Brit]

Derived forms: steps in, stepped in, step-ins, stepping in

Type of: interact, pants [Brit], replace, supercede, supersede, supervene upon, supplant, underdacks [Austral], underdaks [Austral], underpants, undershorts [N. Amer]

• accommodative
• accommodator
• accompanied
• accompaniment
• accompanist
• accompany
• accompanying
• accompanying vein
• accompanyist
• accomplice
• accomplish
• accomplishable
• accomplished
• accomplished fact
• accomplishment
• accord
• accord and satisfaction
• accordance
• accordance of rights
• accordant
• according
• accordingly
• accordion
• accordion door
• accordionist