4
open
4
opening move(noun, expression, idiom)
4
pit(noun, space, hole, hollow, gap)
4
place(noun, activity, work, show, position)
4
porta
4
portal(noun, box, hole, exit, entrance)
4
possible action(noun, expression, idiom)
4
preamble(noun, start, approach, beginning, addition)
4
preface(noun, top, approach, beginning, creation)
4
prelude(noun, top, beginning, creation, addition)
4
preview(noun, showing)
4
primary(adjective, head, beginning, original, basic)
4
prologue(noun, approach, signal, addition, establishment)
4
rise(noun, cause, start, top, authority)
4
rupture(noun, break, cut, crack, split)
4
unlocking
3
abysm
3
adit(noun, access)
3
appearance(noun, look, way, examination, vision)
3
appointment(noun, activity, place, work, position)
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APASmart Define. (2016). opening thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/opening/thesaurus/synonyms
ChicagoSmart Define. 2016. "opening thesaurus" https://smartdefine.org/opening/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, opening thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/opening/thesaurus/synonyms>.
MLASmart Define. "opening thesaurus" 26 February 2016. Web. 20 September 2026. <https://smartdefine.org/opening/thesaurus/synonyms>