To give grounds for expectation, especially of something good.
To commit to (some action or outcome), or to assure (a person) of such commitment; to make an oath or vow.
A transaction between two persons whereby the first person undertakes in the future to render some service or gift to the second person or devotes something valuable now and here to his use.
A placeholder object representing the eventual result of an asynchronous operation.
Reason to expect improvement or success; potential.
an oath or affirmation; a vow
To do something to (a person) that they are not expecting, as a surprise.
To attack unexpectedly.
To take unawares.
To cause (someone) to feel unusually alarmed or delighted by something unexpected.
To undergo or witness something unexpected.
To cause surprise.
The feeling that something unexpected has happened.
Something unexpected.