In an organized manner; utilising a system.

systematic

The quality of being systematic.

The study of classification systems and nomenclature. / The systematic classification of a branch of science, especially the classification of organisms.

Carried out using a planned, ordered procedure. / Methodical, regular and orderly. / Of, or relating to taxonomic classification. / (proscribed) Of, relating to, or being a system.

(colloquial) systematically

The act of systematizing / A systematic organization

To arrange into a systematic order; to make systematic; to organise as a system

plural of systematization

simple past tense and past participle of systematize