Solution:Ushered (past tnese/past participle of usher) = cause or mark the start of something new; mark the start of; announce.Heralded (past tense/past participle of herald) = (make proclamation, carry official messages: indication; announce)
Collapsed (past tense/past participle of collapse) = fall down; be destroyed
Completed (past tense/past participle of complete) = finish making or doing; accomplished.
Given up (phrasal verb give up) = (put an end to a state or an activity)
Hence, Heraloled is the synonym of ushered.