1. place one thing over another.   steep   weather   propagate   superimpose   Hint Half-n-half Clue   2. pierce or make hole(s) in.   vaporize   regenerate   perforate   masticate   Half-n-half Clue   3. disturb or agitate.   vaporize   perturb   regenerate   incubate   Half-n-half Clue   4. hasten or throw headlong down.   reverberate   mesmerize   imply   precipitate   Half-n-half Clue   5. introduce into a larger body or unite.   incorporate   wax   splice   regenerate   Half-n-half Clue   6. reform or breathe more life into.   regenerate   infer   probe   simulate   Half-n-half Clue   7. examine carefully or explore with instruments.   probe   steep   smelt   oscillate   Half-n-half Clue