This The Office screencap contains
business suit.
There might also be
suit, suit of clothes, dress suit, full dress, tailcoat, tail coat, tails, white tie, white tie and tails, and three piece suit.
From Season 3 Episode 2: To the astonishment of everyone, particularly Jan, Michael closes a lucrative deal. Jim then walking in on a woman half naked in Dwight's hotel room, but who could it be?