What is the meaning of the word "suit"?

Definitions:

(slang) a businessman dressed in a business suit noun
- all the suits care about is the bottom line
a comprehensive term for any proceeding in a court of law whereby an individual seeks a legal remedy noun
- the family brought suit against the landlord
a set of garments, usually including a jacket and trousers or skirt, for outerwear all of the same fabric and color noun
- They will bury me in my best suit.
accord or comport with verb
- This kind of behavior does not suit a young woman!
be agreeable or acceptable verb
- This time suits me
be agreeable or acceptable to verb
- This suits my needs