In politics, a visionary _quo_ given in exchange for a substantial _quid_.

Hence, in general, the bringing about of an effect, physical or moral, by a gradual process; controlling power quietly exerted; agency, force, or tendency of any kind which affects, modifies, or sways; as, the influence which the sun exerts on animal and vegetable life; the influence of education on the mind; the influence, according to astrologers, of the stars over affairs.

To control or move by power, physical or moral; to affect by gentle action; to exert an influence upon; to modify, bias, or sway; to affect; to move; to persuade; to induce.

Our words and actions inevitably affect others. Influence is using them to get a win- win in the present. It can be premeditated or spontaneous. It is universal and is the purpose of any interaction.

The ability to affect the behavior of others in a particular direction. [8

a power to affect persons or events especially power based on prestige etc; "used her parents' influence to get the job"

have and exert influence or effect; "The artist's work influenced the young painter"; "She worked on her friends to support the political candidate"

An ability or power sufficient to produce some affect. [D02847] Webster