transitive verb
Etymology: usher (II)
1. : to serve to bring into being : inaugurate
a truce would usher in a period of great uncertainty — New York Times
2. : to bring in or observe the entry of with ceremony
already the town boys were ushering in the month of May — A.T.Quiller-Couch
3. : to mark the beginning or occurrence of
1879 did indeed usher in a renaissance — W.V.Quine