Aggregate, ag′greg-āt, v.t. to collect into a mass: to accumulate.—v.i. (rare) to add as a member to a society: to combine with.—adj. formed of parts taken together.—n. the sum total.—adv. Ag′gregately.—n. Aggregā′tion, act of aggregating: state of being collected together: an aggregate.—adj. Ag′gregative. [L. aggregāre, -ātum, to bring together, as a flock—ad, to, grex, gregis, a flock.]

Aggress, ag-gres′, v.i. to make a first attack: to begin a quarrel: to intrude.—adj. Aggress′ive, making the first attack, or prone to do so: offensive as opposed to defensive.—ns. Aggress′iveness; Aggress′or, one who attacks first. [L. aggredi, -gressusad, to, gradi, to step.]

Aggression, ag-gresh′un, n. first act of hostility or injury: a breach of the peace: an attack on public privileges. [L. aggredi, -gressusad, to, gradi, to step.]

Aggrieve, ag-grēv′, v.t. to press heavily upon: to pain or injure. [O. Fr. agrever (Sp. agraviar)—L. ad, to, and gravis, heavy. See Grief, Grieve.]

Aghast, a-gast′, adj. stupefied with horror. [Properly agast; M. E. agasten, to terrify; A.S. intens. pfx. á-, and gæstan, to terrify. The primary notion of the root gæs- (Goth. gais-) is to fix, stick; to root to the spot with terror. See Gaze.]

Agile, aj′il, adj. active: nimble.—n. Agil′ity, quickness of motion: nimbleness—also Ag′ileness. [Fr.—L. agilisagĕre, to do or act.]

Agio, ā′ji-o, n. the difference between the real and nominal value of money, or between metallic and paper money: the variations from fixed pars or rates of exchange: discount. [It. agio, aggio, ease, convenience.]

Agiotage, aj′i-o-tāj, n. exchange business, hence the manœuvres of speculators to raise or depress the funds: stock-jobbing.

Agist, a-jist′, v.t. to take in the cattle of others to graze for a certain sum: to charge lands or the like with any public burden.—ns. Agist′ment, the action of agisting: the price paid for cattle pasturing on the land: a burden or tax; Agist′or, Agist′er, an officer who takes charge of cattle agisted. [O. Fr. agister—L. jacitāre, jacēre, to lie.]

Agitate, aj′i-tāt, v.t. to keep moving: to stir violently: to disturb: to discuss, or keep up the discussion of a question.—n. Agitā′tion, commotion: perturbation of mind: discussion: public excitement.—adj. Ag′itative.—n. Ag′itator, one who excites or keeps up a public agitation. [L. agitāre, freq. of agĕre, to put in motion. See Act.]