1. [ verb ] commence officially
Synonyms: kick_off
Related terms: start swear_in dedicate beginning inauguration
2. [ verb ] open ceremoniously or dedicate formally
Related terms: open inauguration
3. [ verb ] be a precursor of
Synonyms: usher_in introduce

"The fall of the Berlin Wall ushered in the post-Cold War period"

Related terms: begin augury
Similar spelling:   inaugural