a statement (e.g. a promise) made to give confidence

statement to relieve doubt

a formal promise or agreement that certain conditions agreed (e.g. when one buys something) will be fulfilled

pledge, promise

a solemn promise to do something; a solemn statement (e.g. in a law court) that something is true

promise

a written or spoken serious statement or agreement (not) to do, give etc

one's word that something will be done

a solemn promise or undertaking

promise