WordWeb Online

1. Observe or perform with dignity or gravity
   "The King solemnised this day of mourning"
   - solemnize
    
2. Perform (the wedding ceremony) with proper ceremonies
   - solemnize
    
3. Make solemn and grave
   "This ceremony solemnised our hearts"
   - solemnize

Derived forms: solemnises, solemnised, solemnising

See also: solemnisation [Brit]

Type of: alter, celebrate, change, keep, marry, modify, observe, splice, tie, wed