In singular and plural. The operation of a force, quality, action, etc., so as to have an effect or influence; influence, effectiveness (in or on a…

The effective action of one thing upon another; influence; the effect of such action; a change produced in some passive subject by the operation…

The exertion of force or influence by one thing on another; influence, effect; agency. Cf. reaction, n. 2a.

The action of affecting, acting upon, or influencing something; (also) the fact of being affected. Chiefly in technical contexts.

Impression, effect. Obsolete. rare.

Effect or result produced; influence (up)on something. Obsolete.

The exertion of action of which the operation is unseen or insensible (or perceptible only in its effects), by one person or thing upon another; the…

Operative influence; a mode or degree of operation on an object. Cf. after-effect, n., side effect, n.

Treatment; a manner or style of dealing with a person or thing. Obsolete.

The exertion or operation of a physically attracting influence or force.

Attingent quality; effective contact, operation.

= influence, n. 3–5. Obsolete.

= influence, n.

The act or fact of falling upon, coming in contact with, or affecting in some way.

Effect, influence, incidence of one thing upon another.

The action of influence, v.; exertion of influence.

figurative. Now commonly the effective action of one thing or person upon another; the effect of such action; influence; impression. Esp. in to make…