1. Acceptable or agreeable to the taste; savory: Some people like instant mashed potatoes, which is certainly palatable, but not a nutritious type of food.
2. Having the characteristics of being acceptable to the mouth: Different terms, or adjectives, relating to the tastes or aromas which are enjoyable when eating a meal are palatable, appetizing, tasty, and delicious.

Palatable has the least positive connotation of these terms, often referring to food that is merely passable and not especially good, as a palatable, if undistinguished main course, a barely palatable mixture of overcooked vegetables.
3. Inclined to be acceptable or agreeable to the mind, sensibilities, or feelings: John had some palatable ideas to be considered and Agatha had a palatable solution to the problem.