7-8

1. having or showing a perceptive understanding or insight; shrewd
6. a fundamental truth or proposition that serves as the foundation for a system of belief or behaviour or for a chain of reasoning
8. extreme tiredness resulting from mental or physical exertion or illness
9. the amount by which something, especially a sum of money, is too small

1. to publicly support or suggest an idea, development, or way of doing something
2. (of an argument or point) having a sound basis in logic or fact; reasonable or cogent
3. a situation in which a difficult choice has to be made between two or more alternatives, especially ones that are equally undesirable
4. an individual's conception or impression of something known, experienced, or imagined
5. a traditional story, especially one concerning the early history of a people or explaining a natural or social phenomenon, and typically involving supernatural beings or events
7. produce and discharge (something, especially gas or radiation)