This Doctor Who screencap contains
business suit, well dressed person, suit, pants suit, and pantsuit.
There might also be
three piece suit, suit, suit of clothes, and slack suit.
This are the scenes from the episode from season 4 "Partners in Crime" that included Howard Attfield (Geoff Noble). Sadly Howard died shortly after and was replaced by Donna's uncle Bernard Cribbins (Wilf Mott).