1. pertaining to memory or memory-aid.   Hint First letter clue   2. hidden potential, not manifest.   First letter clue   3. haphazard or without definite pattern.   First letter clue   4. slanting or indirect.   First letter clue   5. salty.   First letter clue   6. iridescent or displaying rainbow-like colors.   First letter clue   7. of or from the side.   First letter clue