Eloquent

Part of speech: adjective (a.)

1. Having the power of expressing strong emotions or forcible arguments in an elevated, impassioned, and effective manner; as, an eloquent orator or preacher. O Death, all-eloquent! You only prove What dust we dote on when 't is man we love. Pope.

2. Adapted to express strong emotion or to state facts arguments with fluency and power; as, an eloquent address or statement; an eloquent appeal to a jury.