Focusing on Vividness:
* Eloquent: Suggests beauty, fluency, and clarity of language.
* Evocative: Emphasizes the ability to create strong emotional responses in the audience.
* Poetic: Highlights the use of imagery, metaphor, and rhythm to create a powerful effect.
* Lyrical: Similar to "poetic," suggesting a flowing, musical quality.
* Picturesque: Stresses the use of vivid imagery and description.
Focusing on Persuasion:
* Compelling: Highlights the power of the argument to capture attention and convince.
* Convincing: Emphasizes the effectiveness of the speech in changing minds.
* Moving: Focuses on the speech's ability to evoke strong emotions and inspire action.
* Rousing: Suggests a speech that ignites passion and enthusiasm in the audience.
* Stirring: Similar to "rousing," emphasizing the speech's ability to stir up emotions.
Combining Vividness and Persuasion:
* Engaging: Describes a speech that holds the audience's attention and makes them want to listen.
* Memorable: Indicates a speech that sticks in the audience's mind long after it's over.
* Powerful: Highlights the overall impact of the speech, both in terms of its vividness and its persuasive power.
Ultimately, the best term for a vivid and persuasive speech depends on the specific context and the speaker's goals.