Argument. Reasoning, proof, evidence, controversy, discussion, debate; subject, topic, theme, thesis; summary, abstract, outline.

Ant. Assertion, assumption; dogma.

Aridity. Dryness, parchedness, sterility, unfertility, barrenness; dulness, indifference, torpidity, insensibility.

Ant. Moisture, fertility, verdancy, luxuriance, productivity.

Arise. Ascend, mount, get up, stand up; rebel, revolt; result, eventuate.

Ant. Descend, dismount; submit, cower; cause, instigate.

Aristocracy. Government of nobles; nobility, peerage, gentry.

Ant. Democracy; people, populace, masses, rabble.

Arm, v. Equip, array, furnish, gird, accouter, provide; fortify, cover, protect, guard; prepare.

Ant. Divest, disarm; expose.