The Collaborative International Dictionary of English v.0.48:
Influence \In"flu*ence\, v. t. [imp. & p. p. Influenced
([i^]n"fl[-u]*enst); p. pr. & vb. n. Influencing
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.
These experiments succeed after the same manner in
vacuo as in the open air, and therefore are not
influenced by the weight or pressure of the atmosphere.
This standing revelation . . . is sufficient to
influence their faith and practice, if they attend.
The principle which influenced their obedience has lost
its efficacy. --Rogers.