arranged or disposed in a neat, tidy manner or in a regular sequence

an orderly desk.

observant of or governed by system or method, as persons or the mind.

characterized by or observant of law, rule, or discipline; well-behaved; law-abiding

an orderly assemblage of citizens.

pertaining to or charged with the communication or execution of orders.

methodically; regularly.

according to established order or rule.

Military . an enlisted soldier assigned to perform various chores for a commanding officer or group of officers.

a hospital attendant having general, nonmedical duties.

adjective

complicated , disorderly , disorganized , unmethodical , unsystematic , untidy , bad , misbehaving , unruly

adjective

alike , all together , arranged , businesslike , careful , clean , conventional , correct , exact , fixed , formal , framed , in apple-pie order , in good shape , in order , in shape , methodic , neat , neat as button , neat as pin , precise , regular , regulated , scientific , set-up , shipshape * , slick , spick-and-span * , systematic , systematized , thorough , tidy , together , to rights , trim , uncluttered , uniform , at peace , calm , controlled , decorous , disciplined , docile , law-abiding , manageable , nonviolent , obedient , peaceable , quiet , restrained , submissive , tranquil , well-mannered , shipshape , snug , spick-and-span , spruce , taut , trig , well-groomed , systematical , cosmic , methodical , peaceful , well-behaved , well-regulated