Definify.com
Webster 1913 Edition
Impulsion
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.
Webster 1828 Edition
Impulsion
IMPUL'SION
,Noun.
1.
The act of driving against or impelling; the agency of a body in motion on another body.2.
Influence on the mind; impulse.