Impulsion
Part of speech: noun
Definition: 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. Influence acting unexpectedly or temporarily on the mind; sudden motive or influence; impulse.
Impulse
Part of speech: noun
Definition: A wish or urge, particularly a sudden one.The integral of force over time.
Example sentence: Let the first impulse pass, wait for the second.