■ adjective
1》 formal and dignified: a ~ procession.
2》 not cheerful; serious.
3》 deeply sincere.
Derivatives
~ly adverb
~ness noun
Origin
ME (in the sense 'associated with religious rites'): from OFr. ~e , from L. sollemnis 'customary, celebrated at a fixed date', from sollus 'entire'.