6
overture(noun, start, approach, beginning, addition)
6
prefatory
6
premiere(noun, adjective, production)
6
puncture(noun, space, tear, scratch, wound)
6
scuttle(noun, breach, hole, gap, humidor)
6
source(noun, cause, start, rise, top)
6
way(noun, line, bar, look, course)
5
channel(noun, break, progress, line, way)
5
debut(noun, adjective, start, beginning, addition)
5
egress(noun, out, passage)
5
first step(noun, expression, idiom, beginning, fling)
5
groove(noun, mark, scratch, wound, slash)
5
hollow(noun, break, place, cut, position)
5
launch(noun, act, start, process, beginning)
5
niche(noun, activity, break, place, work)
5
origination(noun, act, cause, start, top)
5
perforation(noun, break, cut, flat, split)
5
pore(noun, skin)
5
position(noun, activity, place, work, situation)
5
starting(noun, verb, adjective, start, prime)
10 years ago|33k views|share |citing 
APASmart Define. (2016). opening thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/opening/thesaurus/synonyms
ChicagoSmart Define. 2016. "opening thesaurus" https://smartdefine.org/opening/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, opening thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/opening/thesaurus/synonyms>.
MLASmart Define. "opening thesaurus" 26 February 2016. Web. 21 September 2026. <https://smartdefine.org/opening/thesaurus/synonyms>