suasive (adj.)
- authoritative
- charismatic
- charming
- consequential
- effective
- effectual
- efficacious
- enchanting
- estimable
- exhortative
- exhortatory
- hortative
- hortatory
- important
- influential
- magnetic
- momentous
- personable
- persuasive
- potent
- powerful
- prestigious
- reputable
- strong
- substantial
- telling
- weighty
- winning