prepotent
adjective
pre·po·tent (ˌ)prē-ˈpō-tᵊnt 
1
a
: having exceptional power, authority, or influence
b
: exceeding others in power
2
: exhibiting genetic prepotency
prepotently adverb
Word History
Etymology
Middle English, from Latin praepotent-, praepotens, from prae- + potens powerful — more at potent
First Known Use
15th century, in the meaning defined at sense 1a
Medical Definition
prepotent
adjective
pre·po·tent -ˈpōt-ᵊnt
1
: exhibiting genetic prepotency : dominant
2
: having priority over other response tendencies especially by virtue of maturational primacy, recentness of emission or evocation, repetition with positive reinforcement, or greater motivational charge
the prepotent response is that with the greatest immediately effective habit strength