ETYM Old Eng. solempne, Old Fren. solempne, Latin solemnis, solennis, sollemnis, sollennis; sollus all, entire + annus a year; properly, that takes place every year; -- used especially of religious solemnities. Related to Silly, Annual.
1. Expressing serious reflections; marked by seriousness; serious; grave; devout.
2. Real; earnest; downright.
3. Stately; ceremonious; grand.
4. Marked with religious rites and pomps; enjoined by, or connected with, religion; sacred.