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.
Because of its goal, the persuasive purpose is usually the primary purpose in a piece of writing. The author may supplement the persuasive purpose with any of the other purposes. But when combined with other purposes, the persuasive purpose rises to the top. The attempt to convince the reader overrides all other goals in the writing.