influence NOUN 1) the power or ability to affect someone's beliefs or actions. 2) a person or thing with such ability or power. 3) the power arising out of status, contacts, or wealth. 4) the power to produce a physical change.
VERB have an influence on.
under the influence — Cf. ↑under the influence
DERIVATIVES influencer noun.
ORIGIN originally in the sense «influx»: from Latin influere 'flow in' .

English terms dictionary. 2015.