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2 : one appealed to as an expert

3 : power to influence thought or behavior

4 : freedom granted : RIGHT

5 a : persons in command

b : the office, authority, or function of governing : GOVERNMENT

6 : convincing force

Synonyms

[2] ace, adept, expert, master, scholar, virtuoso, whiz, wizard—more at EXPERT

[3] clout, influence, pull, sway, weight—more at INFLUENCE

[5b] administration, government, jurisdiction, regime, rule—more at RULE

[6] arm, clutch, command, control, dominion, grip, hold, mastery, power, sway—more at POWER

au·tho·ri·za·tion noun : the act of authorizing

Synonyms

allowance, clearance, concurrence, consent, leave, license, permission, sanction, sufferance—more at PERMISSION

commission, delegation, license, mandate—more at COMMISSION

au·tho·rize verb -rized; -riz·ing 1 : to establish by or as if by authority : SANCTION

2 : to invest esp. with legal authority

Synonyms

[1] approve, clear, OK, ratify, sanction, warrant—more at APPROVE

[2] accredit, certify, commission, empower, enable, invest, license, qualify

au·tho·rized adjective : sanctioned by authority

au·thor·ship noun 1 : the state of being an author

2 : the source of a piece of writing, music, or art

au·tism noun : a disorder that appears by age three and is characterized esp. by impaired ability to communicate with others and form normal social relationships and by repetitive patterns of behavior

— au·tis·tic adjective

1auto noun, plural autos : a usu. 4-wheeled automotive vehicle designed for passenger transportation : AUTOMOBILE

2auto abbreviation automatic

au·to·bahn noun : a German, Swiss, or Austrian expressway

au·to·bi·og·ra·phy noun : the biography of a person narrated by that person

— au·to·bi·og·ra·pher noun

— au·to·bi·o·graph·i·cal adjective

— au·to·bi·o·graph·i·cal·ly adverb

au·toch·tho·nous adjective : INDIGENOUS, NATIVE

au·to·clave noun : an apparatus (as for sterilizing) using superheated high-pressure steam

au·toc·ra·cy noun, plural -cies : government by one person having unlimited power

Synonyms

despotism, dictatorship, totalitarianism, tyranny—more at DESPOTISM

au·to·crat noun 1 : a person (as a monarch) ruling with unlimited authority

2 : one who has undisputed influence or power

Synonyms

[1] monarch, ruler, sovereign—more at MONARCH

[2] despot, dictator, oppressor, tyrant—more at DESPOT

au·to·crat·ic adjective 1 : of, relating to, or being an autocracy

2 : characteristic of or resembling an autocrat : DESPOTIC

— au·to·crat·i·cal·ly adverb

Synonyms

absolute, despotic, dictatorial, tyrannical, tyrannous—more at ABSOLUTE

authoritarian, bossy, domineering, imperious, masterful, overbearing, peremptory—more at BOSSY

1autograph noun 1 : an original manuscript

2 : a person's signature written by hand

2autograph verb : to write one's signature on

au·to·im·mune adjective : of, relating to, or caused by antibodies or lymphocytes that attack molecules, cells, or tissues of the organism producing them <~ diseases>

— au·to·im·mu·ni·ty noun

au·to·mate verb -mat·ed; -mat·ing 1 : to operate automatically using mechanical or electronic devices

2 : to convert to automatic operation

— au·to·ma·tion noun

automated teller machine noun : a computer terminal allowing access to one's own bank accounts

1automatic adjective 1 : largely or wholly involuntary

2 : made so that certain parts act in a desired manner at the proper time : SELF-ACTING

— au·to·mat·i·cal·ly adverb

Synonyms

[1] involuntary, mechanical, spontaneous; also conditioned, natural, reactive, reflex, simple, subliminal, unconscious, unforced

[2] laborsaving, robotic, self-acting—more at LABORSAVING

2automatic noun : an automatic device; especially : an automatic firearm

au·tom·a·ton noun, plural -atons or -a·ta 1 : an automatic machine; especially : ROBOT

2 : an individual who acts mechanically

au·to·mo·bile noun : a usu. 4-wheeled automotive vehicle for passenger transportation

Synonyms

car,