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

See also: corroborate, supportive

• symbol
• symbol-worship
• symbolatry
• symbolic
• symbolic logic
• symbolic logician
• symbolic representation
• symbolical
• symbolically
• symbolisation
• symbolise
• symboliser
• symbolising
• symbolism
• symbolist
• symbolization
• symbolize
• symbolizer
• symbolizing
• symbology
• symbololatry
• symmetric
• symmetrical
• symmetrically
• symmetricalness