potency
noun
[ ˈpəʊtnsi ]
• the power of something to influence or make an impression.
• "a myth of enormous potency"
Similar:
power,
powerfulness,
vigour,
strength,
might,
mightiness,
force,
forcefulness,
influence,
dominance,
energy,
potential,
puissance,
effectiveness,
persuasiveness,
cogency,
impressiveness,
authoritativeness,
authority,
headiness,
efficacy,
efficaciousness,
kick,
• a male's ability to achieve an erection or to reach orgasm.
• "the myth of declining sexual potency with increasing age"