solemnize: Meaning and Definition of

sol•em•nize

1. to perform the ceremony of (marriage).
2. to hold or perform (ceremonies, rites, etc.) in due manner.
3. to observe or commemorate with rites or ceremonies: to solemnize an occasion with prayer.
4. to go through with ceremony or formality.
5. to render solemn, serious, or grave; dignify.

1. to become solemn; conduct oneself with solemnity.