%pulsion%

n. [ L. compulsio. See Compel. ] The act of compelling, or the state of being compelled; the act of driving or urging by force or by physical or moral constraint; subjection to force. [ 1913 Webster ]

If reasons were as plentiful as blackberries, I would give no man a reason upon compulsion. Shak. [ 1913 Webster ]

With what compulsion and laborious flight
We sunk thus low. Milton.

Syn. -- See Constraint. [ 1913 Webster ]

n. [ L. depulsio. ] A driving or thrusting away. [ R. ] Speed. [ 1913 Webster ]

n. [ L. expulsio, fr. expellere: cf. F. expulsion. See Expel. ] 1. The act of expelling; a driving or forcing out; summary removal from membership, association, etc. [ 1913 Webster ]

The expulsion of the Tarquins. Shak. [ 1913 Webster ]

2. The state of being expelled or driven out. [ 1913 Webster ]

n. [ L. impulsio: cf. F. impulsion. See Impel. ] [ 1913 Webster ]

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. [ 1913 Webster ]

2. Influence acting unexpectedly or temporarily on the mind; sudden motive or influence; impulse. “The impulsion of conscience.” Clarendon. “Divine impulsion prompting.” Milton. [ 1913 Webster ]

n. [ Cf. F. propulsion. See Propel. ] 1. The act driving forward or away; the act or process of propelling; as, steam propulsion. [ 1913 Webster ]

2. An impelling act or movement. [ 1913 Webster ]

God works in all things; all obey
His first propulsion. Whittier. [ 1913 Webster ]

n. [ L. pulsio, fr. pellere, pulsum, to drive: cf. F. pulsion. ] The act of driving forward; propulsion; -- opposed to suction or traction. [ R. ] [ 1913 Webster ]

n. Renewed or repeated expulsion. Fuller. [ 1913 Webster ]