1. convert by heat to vapor and then solidify; purify.   perturb   sap   reverberate   sublimate   Hint Half-n-half Clue   2. soak in some medium till saturated.   smelt   impinge   steep   truncate   Half-n-half Clue   3. introduce into a larger body or unite.   incorporate   propagate   inhibit   implode   Half-n-half Clue   4. chew repeatedly or meditate upon.   impinge   smolder   sap   ruminate   Half-n-half Clue   5. melt ores for extraction of metal.   manipulate   ruminate   smelt   implode   Half-n-half Clue   6. multiply and spread.   propagate   saturate   validate   mesmerize   Half-n-half Clue   7. express or pour forth.   vent   sublimate   propagate   initiate   Half-n-half Clue