(adv.) In regular order; one after the other; severally.

by stages fixed hierarchically in apple-pie order in commission in condition in fine fettle in good condition in good form in good shape in good trim in kilter in repair in sequence in series in shape in succession in the pink in trim in turn in working order out of commission out of kelter out of kilter out of order out of whack seriatim step by step to rights up to scratch up to snuff