SOLEMN

adjective Etymology: Middle English solempne, from Anglo-French, from Latin sollemnis regularly appointed, ~ Date: 14th century marked by the invocation of a religious sanction , marked by the observance of established form or ceremony, 3. awe-inspiring ; sublime , marked by grave sedateness and earnest sobriety , somber , gloomy , see: serious ~ly adverb ~ness noun