What does "solemnize" mean?

Solemnize: To dignify or honor by ceremonies; to celebrate. Their choice nobility and flowers . . . Met from all parts to solemnize this feast. Milton.

Additional senses

  1. 2.To make grave, serious, and reverential. Wordsworth was solemnizzed and elevated by this his first look on Yarrow. J. C. Shairp. Every Israelite . . . arose, solemnized his face, looked towards Jerusalem . . . and prayed. L. Wallace.
  2. 3.Solemnization. [R.] Though spoused, yet wanting wedlock's solemnize. Spenser.

Sources