1. An article or clause in any statute or contract by which a condition is introduced; a condition or stipulation.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• providor,
• provs,
• provise,
• provies,
• provibe,
• provids,
• provison,
• provds,
• provises,
• provie,
• provin,
• provile,
• priviso,
• providse,
• provice,
• protio,
• provisio,
• provoso,
• provizo,
• preoviso

• provoked,
• previous,
• provisions,
• previse,
• prevost,
• Provos,
• provost,
• provoker,
• provision,
• provoking,
• provisory,
• provoke,
• prevision.

The adjective form of the word "proviso" is "provisory".