1. Serving to support or corroborate
   - collateral, confirmative, confirming, confirmatory, corroborative, corroboratory, substantiating, validating, validatory, verificatory, verifying

See also: substantiate, supportive

• keeper
• keeping
• keepnet
• keepsake
• keeshond
• keffiyeh
• kefir
• Keflex
• mince
• mince pie
• mincemeat
• mincer
• mincing
• mincing machine
• mincingly
• mind
• mind game
• mind reader
• mind's eye
• mind-altering
• mind-altering drug
• mind-bending
• mind-blowing
• mind-boggling
• mind-expanding