bind
Definitions
To tie or fasten something tightly with a cord, rope, or other material.
To impose a legal or moral obligation on someone to perform a specific action.
To cause two or more things to stick together or become united in a single mass.
Examples
The contract will bind both parties to the agreed terms.
You should bind the two ropes together to create a stronger knot.
The new regulations bind the company to stricter environmental standards.