Solemn

Marked with religious rites and pomps; enjoined by, or connected with, religion; sacred.

Pertaining to a festival; festive; festal.

Stately; ceremonious; grand.

Fitted to awaken or express serious reflections; marked by seriousness; serious; grave; devout; as, a solemn promise; solemn earnestness.

Real; earnest; downright.

Affectedly grave or serious; as, to put on a solemn face.

Made in form; ceremonious; as, solemn war; conforming with all legal requirements; as, probate in solemn form.