From Longman Dictionary of Contemporary Englishhonour a promise/contract/agreement etchonour a promise/contract/agreement etcSCLDOto do what you have agreed to do Once again, the government has failed to honour its promises. We pray that both sides will continue to honour their commitment to the peace agreement. → honour
Examples from the Corpus
honour a promise/contract/agreement etc• Moreover, Gosteleradio claimed that Interfax had never honoured an agreement to remit 50 percent of its earnings to Radio Moscow. 