Orderly - (Webster's 1828 Dictionary)
1. Methodical; regular
2. Observant of order or method.
3. Well regulated; performed in good order; not tumultuous; as an orderly march.
4. According to established method.
5. Not unruly; not inclined to break from inclosures; peaceable. We say, cattle are orderly.
Orderly book, in military affairs, a book for every company, in which the sergeants write general and regimental orders.
Orderly sergeant, a military officer who attends on a superior officer.
OR'DERLY, adv. Methodically; according to due order; regularly; according to rule.