convictive

compelling convincing forceful persuasive telling weighty

apposite apt conclusive consequential fitting forcible inducing influential irresistible justified meaningful momentous pertinent potent powerful puissant relevant satisfactory satisfying significant solid sound strong suasive urgent valid well-grounded

ineffective unimportant

impotent invalid weak

alluring cogent compelling conclusive convincing credible effective eloquent energetic forceful impressive influential inspiring logical plausible potent powerful valid

actuating effectual efficacious efficient enticing forcible impelling inducing inveigling luring moving pointed seductive slick smooth soft sell sound stimulating stringent strong swaying telling touching unctuous weighty wheedling winning

implausible impotent improbable incapable incredible ineffective invalid unbelievable unlikely unreasonable weak

dampening discouraging disheartening dissuasive ineffectual