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1. A power affecting a person, thing, or course of events, especially one that operates without any direct or apparent effort: the pervasive influence that TV has on modern life; young people falling under the influence of a radical philosopher.
2. Power to sway or affect based on prestige, wealth, ability, or position: used her family's influence to get the job.
3. A person who exerts such power: My parents considered my friend to be a bad influence on me.
a. A determining factor believed by some to affect individual tendencies and characteristics understood to be caused by the positions of the stars and planets at the time of one's birth.
b. Factors believed to be caused by the changing positions of the stars and planets in relation to their positions at the time of one's birth.
tr.v. in·flu·enced, in·flu·enc·ing, in·flu·enc·es
1. To have an influence on (something); change: a news report that influenced the outcome of the election.
2. To change the behavior or thinking of (someone); sway: negative ads that are intended to influence voters.
under the influence
Intoxicated, especially with alcohol.

[Middle English, from Old French, from Medieval Latin īnfluentia, influx, from Latin īnfluēns, īnfluent-, present participle of īnfluere, to flow in : in-, in; see in-2 + fluere, to flow; see bhleu- in Indo-European roots.]

in′flu·ence·a·ble adj.
in′flu·enc·er n.
References in periodicals archive ?
Influential Marketing (IM) is here to stay CAIRO -- 7 March 2018: With the rise of ad blockers, decline in radio and TV viewership, and spikes in billboard prices, influencer marketing (IM) has become the most effective form of advertising.
Admitting that she was "shocked" when she heard the news, Fortes - who has over 53,000 followers online - said she is unsure as to whether she would continue being an influencer.
This is the influencer model, used across industries for sales, marketing and branding efforts.
Are you interested in becoming a Campus Influencer or setting up a campus visit?
to support our in-house teams with the delivery of some of this work, we require a roster of no less than three influencer agencies or influencer collectives who have the skills, knowledge and established relationships with influencers in our key markets.
The unique supporters of each influencer will be able to evaluate their influential powers and make trading decisions.
But what lies ahead for influencer marketing in 2018?
In the ensuing media maelstrom - in which Stenson was accused of cyber-bullying - the role of influencer marketing has been questioned.
Specifically, public relations and marketing professionals are utilising strategies such as influencer marketing, which gives them a better way to target people who affect their consumers.
Social media influencer marketing budgets are likely to go up in 2018, according to new research from the Online Project, a digital agency that works with brands in the UAE, Saudi Arabia, Oman and Jordan.
Consider specifically influencer marketing, a field comprised mainly of small businesses which pioneered a concept that helped fuel the surge in social media advertising.
NEW YORK--A recent poll of consumers active on social media found that 31% had purchased a product or service based on a post from a "social influencer," broadly defined as an individual who has tens of thousands of followers on social media, and often is someone who has been engaged by brands to promote its merchandise or services.