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

See also: confirm, supportive

• slow
• slow lane
• slow loris
• slow match
• slow motion
• slow time scale
• slow up
• slow virus
• slow-mo
• slow-moving
• slow-witted
• slow-wittedness
• slowcoach
• slowdown
• slower
• slowest
• slowgoing
• slowing
• slowly
• slowness
• slowpoke
• slowworm
• SLR
• SLS
• slub