1. (noun)feeder, tributary, confluent, affluent a branch that flows into the mainstream
2. (adj)tributary (of a stream) flowing into a larger stream
3. (adj)tributary paying tribute "a tributary colony"
4. (adj)conducive, contributing(a), contributive, contributory, tributary tending to bring about; being partly responsible for
"working conditions are not conducive to productivity"; "the seaport was a contributing factor in the growth of the city"; "a contributory factor"
Definition of 'tributary'
