furnishing something toward a result: a contributory factor.
of, pertaining to, or constituting an insurance or pension plan the premiums of which
are paid partly by an employer and partly by employees.
subject to contribution or levy.
noun, plural contributories.
Origin: 1375–1425; late Middle English contributorie Related forms
< Medieval Latin contribūtōrius.
noncontributory, adjective, noun, plural noncontributories.
2. accessory, ancillary.