radical stimulus
NOUN
catalyst
Synonyms
STRONGEST
STRONG
adjuvant
agitator
enzyme
goad
impulse
incendiary
incitation
incitement
reactant
reactionary
spur
synergist
WEAK
Antonyms
NOUN
leavening
Synonyms
Antonyms
STRONG
From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.