Having a systematic arrangement: an orderly universe.
Marked by or adhering to method or system: orderly in the upkeep of his rooms.
Devoid of violence or disruption; peaceful: an orderly transition of governments.
noun: pl., -lies.
An attendant who does routine, nonmedical work in a hospital.
A soldier assigned to attend and perform various tasks for a superior officer.
adverb
Systematically; regularly.
derivatives
oŕder·li·ness
noun
synonyms:
orderly, methodical, systematic These adjectives mean proceeding in or observant of a prescribed pattern or arrangement. Orderly especially implies correct or customary procedure or proper or harmonious arrangement: an orderly evacuation of the burning building; orderly and symmetrical rows. Methodical stresses adherence to a logically and carefully planned succession of steps: methodical instructions for assembly. Systematic emphasizes observance of a coordinated and orderly set of procedures constituting part of a complex but unitary whole: systematic research into antigens to combat immune disorders.
The American Heritage® Dictionary of the English Language, Fourth Edition