Ant. Demonstrate, specify, declare.
Allure. Decoy, entice, coax, attract, tempt, inveigle, seduce.
Ant. Dissuade, repel, warn, chill, damp, drive away, deter, alarm, terrify.
Allusion. Hint, suggestion, intimation, reference, implication, innuendo.
Ant. Mention, demonstration, specification.
Ally, n. Assistant, helper, aider, friend, associate, colleague, partner, accessory, accomplice.
Ant. Opponent, adversary, foe, enemy, antagonist.
Aloft. Above, skyward, heavenward, overhead, in the air.
Ant. Beneath, earthward, below.
Alone. Solitary, sole, single, isolated.