Verb

(solemniz)

(US) To make solemn, or official, through ceremony or legal act.

The couple chose to solemnize their relationship in a secular ceremony, instead of having a wedding.

* Hooker

Baptism to be administered in one place, and marriage solemnized in another.

* Milton

Their choice nobility and flowers / Met from all parts to solemnize this feast.

To make grave, serious, and reverential.

* J. C. Shairp

Wordsworth was solemnized and elevated by this his first look on Yarrow.

* L. Wallace

Every Israelite and prayed.

Verb

(celebrat)

To extol or honour in a solemn manner.

to celebrate the name of the Most High

To honour by rites, by ceremonies of joy and respect, or by refraining from ordinary business; to observe duly; to keep.

to celebrate a birthday

* {{quote-book, year=1907, author=

, title=The Dust of Conflict , chapter=20 citation , passage=Hester Earle and Violet Wayne were moving about the aisle with bundles of wheat-ears and streamers of ivy, for the harvest thanksgiving was shortly to be celebrated , while the vicar stood waiting for their directions on the chancel steps with a great handful of crimson gladioli.}}

To engage in joyful activity in appreciation of an event.

I was promoted today at work—let’s celebrate !

* {{quote-news

, year=2012 , date=May 5 , author=Phil McNulty , title=Chelsea 2-1 Liverpool , work=BBC Sport citation , page= , passage=As Di Matteo celebrated and captain John Terry raised the trophy for the fourth time, the Italian increased his claims to become the permanent successor to Andre Villas-Boas by landing a trophy.}}

To perform or participate in, as a sacrament or solemn rite; to solemnize; to perform with appropriate rites.

to celebrate a marriage