From Longman Dictionary of Contemporary Englishself-assuredˌself-asˈsured adjective CONFIDENTcalm and confident about what you are doing OPP hesitant► see thesaurus at confident —self-assurance noun [uncountable]
Examples from the Corpus
self-assured• A woman's voice came on the line, firm and self-assured.• Reggie and Mary opposite each other, so amiable and self-assured.• There is a warmth and a radiance about her; her movements are measured, self-assured.• Expression is noble, alert and self-assured.• Having done this many times before, she was self-assured and spoke without notes.• His voice, too, was as sincere, as unwavering and self-assured as ever.• On the surface Dana was calm and self-assured, but I knew that this wasn't completely the case.• He could take a joke, and put on such an ironic self-assured face no one felt bad laughing.• His movements were far too quick and self-assured for her efforts to succeed.• Hapless, hopelessly clumsy Gilligan is washed ashore along with the competent, self-assured skipper.• His appearance gives an immediate impression of determination and courage; his demeanour is self-assured, steady and fearless. 