WordNet sense 1 (a male hospital attendant who has general duties that do not involve the medical treatment of patients):

hospital attendant

WordNet sense 2 (marked by good order and cleanliness in appearance or habits):

tidy

WordNet sense 3 (according to custom or rule or natural law):

lawful, rule-governed

WordNet sense 4 (in accordance with fixed order or procedure or principle):

regular

WordNet sense 5 (not haphazard):

systematic

WordNet sense 6 (not random):

nonrandom

WordNet sense 7 (marked by system or regularity or discipline):

ordered, regulated

WordNet sense 8 (methodical and efficient in arrangement or function):

organized

WordNet sense 9 (marked by an orderly, logical, and aesthetically consistent relation of parts):

coherent, consistent, logical