orderly

Short definition from Wiktionary

Adjective

1. 1
   Neat and tidy; possessing order.
2. 2
   Methodical or systematic.
3. 3
   Peaceful; well-behaved.
4. 4
   Being on duty; keeping order; conveying orders.

Noun

1. 1
   A hospital attendant given a variety of non-medical duties.
2. 2
   A soldier who carries out minor tasks for a superior officer.

Adverb

1. 1
   According to good order or practice; appropriately, in a well-behaved or orderly (adjective) way.
2. 2
   In order; in a particular order or succession; with a suitable arrangement.