To enter into, or promise something by, a covenant.
To enter a formal agreement.
To make a stipulation.
To bind oneself in contract.
A promise, incidental to a deed or contract, either express or implied.
An incidental clause in an agreement.
An agreement to do or not do a particular thing.
A pact or binding agreement between two or more parties.
The act of refusing.
Depth or point at which well or borehole drilling cannot continue.