This The Mentalist screencap contains
business suit.
There might also be
dress suit, full dress, tailcoat, tail coat, tails, white tie, white tie and tails, suit, suit of clothes, and three piece suit.
The Mentalist 6x12 "The Golden Hammer" -- Jane and the FBI investigate the murder of a high-tech cartographer who may have unearthed a spy ring before his death...