The power to affect, control or manipulate something or someone; the ability to change the development of fluctuating things such as conduct, thoughts or decisions.

(transitive) To have an effect on by using gentle or subtle action; to exert an influence upon; to modify, bias, or sway; to persuade or induce. / (intransitive) To exert, make use of one's influence.

simple past tense and past participle of influence

Subject to an effect caused by a person or thing outside of the subject's control.

Capable of being influenced.

A person who or a thing which influences. [from 17th c.]

plural of influence

Third-person singular simple present indicative form of influence

plural of influencer

The quality or state of being influenceable.