5. A reason or excuse; a motive; a persuasion.

Whose manner was, all passengers to stay, And entertain with her

occasions sly.

Spenser.

On occasion, in case of need; in necessity; as convenience requires;

occasionally. "That we might have intelligence from him on occasion,"

De Foe.

Syn. -- Need; incident; use. See Opportunity.

Oc*ca"sion (k*k"zhn), v. t. [imp. & p. p. Occasioned (- zhnd); p. pr. &

vb. n. Occasioning.] [Cf.F. occasionner.] To give occasion to; to

cause; to produce; to induce; as, to occasion anxiety. South.

If we inquire what it is that occasions men to make several

combinations of simple ideas into distinct modes.

Locke.

Oc*ca"sion*a*ble (?), a. Capable of being occasioned or caused. Barrow.

Oc*ca"sion*al (?), a. [Cf.F. occasionnel.] 1. Of or pertaining to an

occasion or to occasions; occuring at times, but not constant, regular,

or systematic; made or happening as opportunity requires or admits;

casual; incidental; as, occasional remarks, or efforts.

The . . . occasional writing of the present times.

Bagehot.

2. Produced by accident; as, the occasional origin of a thing. [Obs.]

Sir T. Browne.

Occasional cause (Metaph.), some circumstance preceding an effect

which, without being the real cause, becomes the occasion of the action

of the efficient cause; thus, the act of touching gunpowder with fire

is the occasional, but not the efficient, cause of an explosion.

Oc*ca"sion*al*ism (?), n. (Metaph.) The system of occasional causes; --

a name given to certain theories of the Cartesian school of

philosophers, as to the intervention of the First Cause, by which they

account for the apparent reciprocal action of the soul and the body.

Oc*ca`sion*al"i*ty (?), n. Quality or state of being occasional;

occasional occurrence. [R.]

Oc*ca"sion*al*ly (?), adv. In an occasional manner; on occasion; at

times, as convenience requires or opportunity offers; not regularly.

Stewart.

The one, Wolsey, directly his subject by birth; the other, his

subject occasionally by his preferment.

Fuller.

The Gutenberg Webster's Unabridged Dictionary: Section M, N, and O · 第 1635 / 2147 题