influence
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.
An action exerted by a person or thing to cause change in another.
A person or thing that exerts power or action to cause change.
(astrology) An element believed to determine someone's character or individual tendencies, caused by the position of the stars and planets at the time of one's birth.
(obsolete) The action of flowing in; influx.
(electricity) Electrostatic induction.
To have an effect on by using gentle or subtle action; to modify, bias, or sway; to persuade or induce.
To exert, make use of one's power to affect change.
(obsolete) To cause to flow in or into; infuse; instill.