Synonyms and antonyms of To make a promise in British Thesaurus

promise (verb)

to tell someone that you will definitely do something

commit (verb)

to promise to do something

swear (verb)

to make a sincere statement that you are telling the truth

guarantee (verb)

to promise that something will happen

vow (verb)

formal to promise that you will do something

undertake (verb)

formal to promise to do something

pledge (verb)

mainly journalism to promise seriously and publicly to do something

vouchsafe (verb)

formal to give, promise, or offer something to someone who you trust

give (someone) your word ()

to promise to do something

guarantee (verb)

to promise someone that they will have something or will get something

avow (verb)

formal to publicly claim or promise something

pledge (verb)

to promise a certain amount of money for a particular purpose

promise someone the moon/earth ()

to make a promise that you are unlikely to be able to keep

swear (verb)

to make a promise to do something

swear (verb)

to make a formal promise to be loyal or to tell the truth

warrant (verb)

formal to promise something