<p><strong>Noun</strong></p><ul><li>plural solemnities</li><li>the state or character of being solemn; earnestness; gravity; impressiveness: the solemnity of a state funeral</li><li>Often solemnities: a solemn observance, ceremonial proceeding, or special formality: the solemnities of Easter</li><li>Law: a formality that renders an act or document valid</li></ul>