impulsion

impulsion is a   Noun

Definition:

[1] The act of impelling or driving onward, or the state of being impelled; the sudden or momentary agency of a body in motion on another body; also, the impelling force, or impulse. "The impulsion of the air." Bacon.

[2] Influence acting unexpectedly or temporarily on the mind; sudden motive or influence; impulse. "The impulsion of conscience." Clarendon. "Divine impulsion prompting." Milton.

Synonyms: