Definition of inaugurator in US English:

inaugurator

noun

  • A person who inaugurates something, especially a system, policy, or period.

    ‘the father and inaugurator of the movement’
    ‘the inaugurator of a new age’

Pronunciation

inaugurator

/iˈnôɡ(y)əˌrādər//ɪˈnɔɡ(j)əˌreɪdər/