pledge
Definitions
A solemn promise or undertaking to do or refrain from doing something.
A thing that is given as security for the fulfillment of a contract or the payment of a debt.
To commit or bind someone or oneself by a solemn promise.
Examples
The students stood in silence to recite the pledge of allegiance.
He made a solemn pledge to support his family through every hardship.
The organization asked members to pledge a small donation to help the local animal shelter.
Synonyms
Antonyms
breach betrayal renunciation repudiation denial cancellation violation