1. artificial or produced by synthesis.   Hint First letter clue   2. at rest or in equilibrium.   First letter clue   3. pertaining to sugar or sweet.   First letter clue   4. allowing light to pass freely; clearly apparent.   First letter clue   5. pertaining to tension; capable of being stretched.   First letter clue   6. inert or at rest.   First letter clue   7. motionless or unchanging.   First letter clue