noun
suit
SOOT/suːt/
A set of clothes designed to be worn together.
The suit pairs a navy jacket with trousers in matching fabric.

Etymology
“Follow” connects the clothing sense to a company of followers and their matching livery. That association with coordinated garments developed into a set of clothes intended to be worn together.
In context
you could also break up the suit and wear the jacket and trousers separately
More examples
- He wore a dark suit to the interview.
- She bought a new suit for the conference.
- Several suits hung neatly in the closet.
Forms
suit · suits
suited adjective — Dressed in a suit
Similar words
- outfit
- Any coordinated clothing, not necessarily matching tailored pieces.
- ensemble
- A coordinated outfit without requiring matching fabric or tailoring.