attentive, a. heedful, observant, intent, mindful, wary, alert,
circumspect, watchful; courteous, deferential, considerate. Antonyms:
See inattentive.

attest, v. corroborate, confirm, authenticate, certify, indorse,
ratify.

attestation, n. corroboration, witness, authentication, ratification,
confirmation.

at the same time. simultaneous.--adv. simultaneously.

attic, n. garret, loft, cockloft.

attitude, n. posture, position, pose.

attract, v. allure, entice, draw, decoy, interest, engage, induce.
Antonyms: repel, repulse, alienate, deter.

attraction, n. allurement, fascination, charm, inducement, witchery,
magnetism, enticement, lure. Antonyms: repulsion, repellence,
repugnance, antipathy.

attraction, n. chemism, affinity (chemical attraction).

attractive, a. alluring, engaging, enticing, magnetic, prepossessing,
personable, winning, mesmeric, taking, seductive, bewitching. Antonyms:
unattractive, repellent, repulsive, forbidding, repugnant.

attributable, a. ascribable, imputable, referrible, assignable,