1. increase in size or strength.   smolder   wax   precipitate   masticate   Hint Half-n-half Clue   2. echo or reflect sound, light or heat.   reverberate   perturb   spawn   probe   Half-n-half Clue   3. burn without flame in a suppressed manner.   ruminate   perturb   smolder   solder   Half-n-half Clue   4. fix using fusible alloy.   masticate   sublimate   solder   quarantine   Half-n-half Clue   5. melt ores for extraction of metal.   smelt   manipulate   polarize   incorporate   Half-n-half Clue   6. burst inwards.   implode   spawn   perforate   postulate   Half-n-half Clue   7. lay down as basis or truth.   imply   partition   wane   postulate   Half-n-half Clue