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

See also: supportive, validate

• implode
• implore
• imploring
• imploringly
• implosion
• implosion therapy
• implosive
• impluvium
• imply
• impolite
• impolitely
• impoliteness
• impolitic
• imponderable
• import
• import barrier
• import credit
• import duty
• importable
• importance
• important
• important person
• important-looking
• importantly
• importation