1. Tending to bring about; being partly responsible for
   "a contributory factor"
   - conducive, contributing, contributive, tributary

See also: causative, contribute

• black-winged stilt
• blackamoor
• blackback flounder
• blackball
• Blackbeard
• blackbeetle
• blackberry
• blackberry bush
• blackberry-lily
• blackbird
• blackboard
• blackboard eraser
• blackbody
• blackbody radiation
• blackbuck
• Blackburn
• Blackburnian warbler
• blackcap
• blackcap raspberry
• blackcock
• blackdamp
• bush nasturtium
• bush out
• bush pea
• bush poppy