<p><strong>Noun</strong></p><ul><li>excellence of manners or social conduct; polite behavior: Her unfailing courtesy made her easy to work with.</li><li>a courteous, respectful, or considerate act or expression.</li><li>indulgence, consent, or acquiescence: He is a “colonel” by courtesy rather than by right.</li><li>favor, help, or generosity: The costumes for the play were by courtesy of the local department store.</li><li>a curtsy.</li></ul><p><strong>Adjective</strong></p><ul><li>done or performed as a matter of politeness or protocol: The council member paid a courtesy call on the mayor.</li><li>offered or provided free by the management: While waiting to board the airplane, we were provided with courtesy coffee.</li></ul>