1. make invalid or weaken.   invalidate   manipulate   oscillate   pulverize   Hint Half-n-half Clue   2. hinder or prevent.   inhibit   vent   sap   smolder   Half-n-half Clue   3. hatch.   splice   imply   reverberate   incubate   Half-n-half Clue   4. make pulp by chewing.   purge   polarize   invert   masticate   Half-n-half Clue   5. mean or insinuate.   imply   impinge   secrete   incubate   Half-n-half Clue   6. lay down as basis or truth.   ruminate   wane   postulate   partition   Half-n-half Clue   7. model, feign or pretend.   transpire   masticate   validate   simulate   Half-n-half Clue