This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
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• Wordosaur

adj. Making additions or yielding supplies; contributory.

adj. Paid in tribute.

adj. Paying tribute: a tributary colony.

n. A stream that flows into a larger stream or other body of water.

n. A ruler or nation that pays tribute.

n. A river that flows into a larger river or other body of water.

n. A nation, state, or other entity that pays tribute.

adj. Related to the paying of tribute.

adj. Paying tribute to another, either from compulsion, as an acknowledgment of submission, or to secure protection, or for the purpose of purchasing peace.

adj. Hence, subject; subordinate; inferior.

adj. Paid in tribute.

adj. Yielding supplies of any kind; serving to form or make up, a greater object of the same kind, as a part, branch, etc.; contributing.

n. A ruler or state that pays tribute, or a stated sum, to a conquering power, for the purpose of securing peace and protection, or as an acknowledgment of submission, or for the purchase of security.

n. A stream or river flowing into a larger river or into a lake; an affluent.

Paying tribute; taxed or assessed by tribute.

Of the nature of tribute; paid or due as tribute.

Bringing accretions, supplies, aid, or the like; contributory; auxiliary; subsidiary; specifically, of streams, affluent.

n. A person or a state that pays tribute; one who or that which pays a stated sum to a conquering power, in acknowledgment of submission, or for the purchase of peace, security, and protection.

n. In geography, an affluent; a river or other body of water which contributes its stream to another river, etc.

adj. paying tribute

n. a branch that flows into the main stream

adj. (of a stream) flowing into a larger stream

adj. tending to bring about; being partly responsible for

"In the spring and fall, bass tend to chase baitfish more actively, and whenever you encounter any type of surface activity, especially in tributary creeks, you're usually close to bass."

obligated    secondary    causative   

branch   

tribute   

subordinate    inferior    contributing    affluent    stream    feeder    influent    leader   

navigable    inland    Babylonian    rightful    Sassanian    steep-sided    tortuous    subjugate    inlet    fresh-water