Main entry: feeder, confluent, tributary, affluent
Definition: a branch that flows into the main stream
Main entry: conducive, contributing, contributive, contributory, tributary
Definition: tending to bring about; being partly responsible for
Usage: working conditions are not conducive to productivity; the seaport was a contributing factor in the growth of the city; a contributory factor
Main entry: tributary
Definition: paying tribute
Usage: a tributary colony
Main entry: tributary
Definition: (of a stream) flowing into a larger stream