tributary

Noun
  1. is a type of: branch - a stream or river connected to a larger one
    same as: affluent, confluent, feeder
Adjective
  1. similar to: secondary - being of second rank or importance or value; not direct or immediate
  2. similar to: obligated - caused by law or conscience to follow a certain course
  3. similar to: causative - producing an effect
    same as: conducive, contributing, contributive, contributory

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