1. dissolvable (in solvent) or solvable (of problem).   soluble   partial   transient   schematic   Hint Half-n-half Clue   2. melted.   thermal   stratified   kinetic   molten   Half-n-half Clue   3. pertaining to space.   resilient   monochromatic   spatial   soluble   Half-n-half Clue   4. incomplete or biased.   stagnant   seismic   partial   nocturnal   Half-n-half Clue   5. pertaining to motion.   mnemonic   nocturnal   viscid   kinetic   Half-n-half Clue   6. pertaining to memory or memory-aid.   transparent   turbid   mnemonic   serrated   Half-n-half Clue   7. pertaining to seed or semen; germinal.   turbid   seminal   transient   potable   Half-n-half Clue