contributory
[adjective]
Synonyms: auxiliary, accessory, adjuvant, ancillary, appurtenant, collateral, subservient, subsidiary

[TahlilGaran] English Synonym Dictionary ▲

con‧trib‧u‧to‧ry /kənˈtrɪbjətəri, kənˈtrɪbjʊtəri $ -tɔːri/ adjective
[Word Family: noun: contribution, contributor; verb: contribute; adjective: contributory]

1. [only before noun] being one of the causes of a particular result:
Smoking is a contributory factor in lung cancer.

2. a contributory pension or insurance plan is one that is paid for by the workers as well as by the company they work for Antonym : noncontributory

[TahlilGaran] Dictionary of Contemporary English ▲