Definitions
1.AdjectiveNeat and tidy; possessing order."He has always kept an orderly kitchen, with nothing out of place."
2.AdjectiveMethodical or systematic."We live in an orderly universe, where rules govern both the movements of planets and the binding of molecules."
3.AdjectivePeaceful; well-behaved."An orderly gathering of citizens stood on the corner awaiting the bus."
4.AdjectiveBeing on duty; keeping order; conveying orders.
5.NounA hospital attendant given a variety of non-medical duties.
6.NounA soldier who carries out minor tasks for a superior officer.
7.AdverbAccording to good order or practice; appropriately, in a well-behaved or orderly (adjective) way. .mw-parser-output .defdate{font-size:smaller}
8.AdverbIn order; in a particular order or succession; with a suitable arrangement.