coronation

noun5

1. •
   [before a noun] An act of investing with a crown; a crowning.
2. •
   [before a noun] An act or the ceremony of formally investing a sovereign or the sovereign's consort with a crown and other insignia of royalty, on or shortly after their accession to the sovereignty.

   • King Charles III’s coronation is to be much less elaborate compared to his mother’s.
3. •
   (rare) In the game of checkers or draughts: the act of turning a checker into a king when it has reached the farthest row forward.
4. •
   (figurative) A completion or culmination of something.
5. •
   (figurative) A success in the face of little or no opposition.