1) Collateral 2) Confirmative 3) Confirmatory 4) Confirming 5) Corroborative 6) Corroboratory 7) Substantiating 8) Substantiative 9) Supportive 10) Validating 11) Verificatory 12) Verifying 1) Confirmative 2) Confirmatory 3) Corroborative 4) Corroboratory 5) Substantiating 6) Substantiative 7) Supportive 8) Validating 9) Verificatory 10) Verifying