noun

commencement

The start of something.

The commencement of work was delayed.

Etymology

Old French comencier meant to begin. The ending -ment makes a noun for that beginning, identifying the point or event at which something gets under way.

More examples

  • Payment was due before the commencement of the lease.
  • They marked the commencement of the new project.
  • The notice announced the commencement of negotiations.

Forms

commencement

Similar words

beginning
Beginning is the everyday equivalent; commencement is more formal.
onset
Onset often suggests a developing condition or event; commencement commonly marks a formal start.