1 Sip water or sugarless drinks often. 2  Avoid drinks with caffeine, such as coffee, tea, and some sodas. 3  Caffeine can dry out the mouth. 4  Sip water or sugarless drinks during meals.
persuasive - intended or having the power to induce action or belief; persuasive eloquence; a most persuasive speaker; a persuasive argument. convincing - causing one to believe the truth of something; a convincing story; a convincing manner.
However, this is not a nuanced enough definition to capture the actual goals of different persuasive speeches. Persuasive speeches can be designed to convince, actuate, and/or stimulate the audience. Convincing. A convincing speech is designed to cause the audience to internalize and believe a viewpoint that they did not previously hold.