accessibility, n. 1. approachability, approachableness, getatableness, Inf come-at-ableness; ease, convenience, familiarity, familiarness, informality; affability, affableness, geniality, genialness, pleasantness, cordiality, cordialness; sociability, sociableness, friendliness, companionableness, congeniality, congenialness, complaisance; courtesy, courteousness, graciousness, politeness, politesse, civility; conversableness, agreeableness, agreeability, acquiescence; obligingness, compliance, compliancy, willingness.
2. attainability, attainableness, availability, availableness; possibility, conceivability, conceivableness; probability, likelihood, likeliness.
3. openness, exposedness, liableness, liability, sub-jectedness; vulnerability, vulnerableness, susceptibility, susceptibleness; defenselessness, weakness, assailableness, unguardedness, unprotectedness; persuadableness, manageableness, passiveness, passivity.
accession, n. 1. (usu. of an office, title or position) succession, inheritance, assumption, taking on or over; entering upon, arrival at, advent to; elevation, promotion, rise, coming to, reaching, attainment; induction, installation, initiation, inauguration, investiture.
2. increase, increment, gain, addition, augmentation, contribution; enlargement, expansion, aggrandizement, swelling, enrichment; extension, distention, spreading, widening.
3. consent, assent, giving in, acquiescence, yielding; agreement, accord, accordance, concord, concordance, concurrence; approval, acceptance, sanction, countenance.
4. approach, advance, advancement.
5. attack, onset, access. See - access (def. 2). accessory, n. 1. subordinate, subsidiary, auxiliary, adjunct, adjuvant, concommitant, subordinate part; minutiae or minutia, trivia, minor particular; supplement, supplementation, appendage, addition, appendix, appendant, attachment, accompaniment, appurtenance, appurtenant.
2. (all of clothing) frill, embellishment, spangle, tinsel, adornment, ornament, ornamentation, finery, decoration, embroidery, trim, trimming or trimmings, array, trapping or trappings; belonging, appropriate detail, fashionable accent.
3. accomplice, Chiefly Law. accessary, Law. accessory before or after the fact, Law. principal, partner in crime, SI. gun moll or moll, Law. particeps criminis, socius criminis; confederate, abettor, aider, collaborator, cooperator, contributor, cohort, conspirator, fellow conspirator, conspirer, conniver, participant, participator; ally, partner, comrade, colleague, associate, consociate, socius, consort, confrere, sidekick, friend, Chiefly Brit, mate; helper, aid or aide, attendant, acolyte, deputy, ancilla, second, henchman, right hand, right-hand man, recruit, tool, SI. stooge, SI. gofer. -adj. 4. supplementary, supplemental, additional, appurtenant, accessorial, adscititious or ascititious; accompanying, attendant, collateral; contributory, con-tributional, helpful, aidful; belonging, privy; subsidiary, secondary, auxiliary, ancillary, subordinate, subservient, adjunct, adjuvant, Obs. adjutory, Obs., Rare. adjutorious; incidental, extra, extraneous, extrinsic, adventitious, of minor importance; unnecessary, unneeded, unessential,
accident, n. 1. misfortune, mishap, misadventure, miscarriage, mischance, casualty; adversity, affliction, hurt, ruin, undoing, downfall, collapse; blow, nasty or staggering blow; disaster, tragedy, catastrophe, calamity, cataclysm; wreck, crash, collision, smash-up, crack-up, pile-up.
2. mistake, blunder, contretemps, Inf. slip-up, SI. boo-boo, SI. boner, oversight; leak; mischief.
3. fluke, freak accident, one in a million, twist of fate; shock; fortuity, happening, hap, hazard.