Word Study
influential
CIDE DICTIONARY
influential, a. [See Influence.].
Exerting or possessing influence or power; potent; efficacious; effective; strong; having authority or ascendency; as, an influential man, station, argument, etc. [1913 Webster]
"A very influential Gascon prefix." [1913 Webster]
OXFORD DICTIONARY
influential, adj. having a great influence or power (influential in the financial world).
Derivative
influentially adv.
Etymology
med.L influentia INFLUENCE
THESAURUS
influential
absolute, ascendant, authoritarian, authoritative, authorized, autocratic, charismatic, charming, clothed with authority, commanding, competent, consequential, considerable, controlling, dominant, duly constituted, effective, effectual, efficacious, eminent, empowered, enchanting, estimable, ex officio, forceful, governing, great, guiding, hegemonic, hegemonistic, imperative, important, instrumental, leading, magnetic, mighty, momentous, monocratic, official, personable, persuasive, potent, powerful, predominant, preeminent, prestigious, prominent, puissant, ranking, reputable, ruling, senior, significant, strong, suasive, substantial, superior, supreme, telling, totalitarian, weighty, winningROGET THESAURUS
influential
Authority
N authority, influence, patronage, power, preponderance, credit, prestige, prerogative, jurisdiction, right, direction, government, divine right, dynastic rights, authoritativeness, absoluteness, absolutism, despotism, jus nocendi, jus divinum, mastery, mastership, masterdom, dictation, control, hold, grasp, grip, gripe, reach, iron sway, fangs, clutches, talons, rod of empire, commission, deputy, permission, at the head, dominant, paramount, supreme, predominant, preponderant, in the ascendant, influential, arbitrary, compulsory, stringent, at one's command, in one's power, in one's grasp, under control, in the name of, by the authority of, de par le Roi, in virtue of, under the auspices of, in the hands of, at one's pleasure, by a dash if the pen, by a stroke of the pen, ex mero motu, ex cathedra, from the chair, the gray mare the better horse, every inch a king.Power
N power, potency, potentiality, jiva, puissance, might, force, energy, dint, right hand, right arm, ascendency, sway, control, prepotency, prepollence, almightiness, omnipotence, authority, strength, ability, ableness, competency, efficacy, efficiency, productivity, expertise (skill), validity, cogency, enablement, vantage ground, influence, pressure, conductivity, elasticity, gravity, electricity, magnetism, galvanism, voltaic electricity, voltaism, electromagnetism, atomic power, nuclear power, thermonuclear power, fuel cell, hydraulic power, water power, hydroelectric power, solar power, solar energy, solar panels, tidal power, wind power, attraction, vis inertiae, vis mortua, vis viva, potential energy, dynamic energy, dynamic friction, dynamic suction, live circuit, live rail, live wire, capability, capacity, quid valeant humeri quid ferre recusent, faculty, quality, attribute, endowment, virtue, gift, property, qualification, susceptibility, powerful, puissant, potential, capable, able, equal to, up to, cogent, valid, efficient, productive, effective, effectual, efficacious, adequate, competent, multipotent, plenipotent, omnipotent, almighty, forcible, (energetic), influential, productive, powerfully, by virtue of, by dint of, a toute force, dos moi pou sto kai kino ten gen, eripuit coelo fulmen sceptrumque tyrannis, fortis cadere cedere non potest.Influence
N influence, importance, weight, pressure, preponderance, prevalence, sway, predominance, predominancy, ascendency, dominance, reign, control, domination, pull, authority, capability, effect, interest, synergy (cooperation), footing, purchase, play, leverage, vantage ground, tower of strength, host in himself, protection, patronage, auspices, influential, effective, important, weighty, prevailing, prevalent, rife, rampant, dominant, regnant, predominant, in the ascendant, hegemonical, with telling effect, tel maure tel valet.For further exploring for "influential" in Webster Dictionary Online