16 entries under opener topic. ×

3
incitation(noun, charge, cause, boost, spur)
2
spur(noun, charge, cause, boost, encouragement)
1
actuation
1
eye-opener(noun, charge, cause, boost, spur)
1
shot in the arm(noun, expression, idiom, charge, cause)
1
turn-on(noun, charge, cause, boost, spur)
0
activation
0
doorknob
0
excitant
0
geese
0
goose
0
knob
0
knurl
0
spark
0
springboard
0
trigger(noun, charge, cause, boost, stimulus)
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APASmart Define. (2015). propellant thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/propellant/thesaurus/synonyms
ChicagoSmart Define. 2015. "propellant thesaurus" https://smartdefine.org/propellant/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, propellant thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/propellant/thesaurus/synonyms>.
MLASmart Define. "propellant thesaurus" 13 April 2015. Web. 26 September 2026. <https://smartdefine.org/propellant/thesaurus/synonyms>