fit out

Also, fit up. Equip or supply what is needed, as in They promised to fit out the expedition free of charge. This expression, dating from the late 1600s, originally was confined to furnishing a ship or other vessel with supplies, repairs, and the like. By the 1720s it was being used more broadly, as it still is.

To provide the tenants within a building with building services, including heating, lighting, water supply, drainage services, gas supply, electrical supply, fire protection, garbage disposal services, waste disposal services, air-conditioning, and security protection.

The verb has 2 meanings:

Meaning #1: provide with (something) usually for a specific purpose
  Synonyms: equip, fit, outfit

Meaning #2: provide with clothes or put clothes on
  Synonyms: dress, clothe, enclothe, garb, raiment, tog, garment, habilitate, apparel