1. put into effect.   sap   implement   wane   incubate   Hint Half-n-half Clue   2. echo or reflect sound, light or heat.   smelt   invert   transpire   reverberate   Half-n-half Clue   3. decrease in size or strength.   wane   postulate   interpolate   smolder   Half-n-half Clue   4. produce or deposit (eggs).   spawn   vent   ossify   initiate   Half-n-half Clue   5. introduce or originate.   ossify   solder   wax   initiate   Half-n-half Clue   6. hatch.   saturate   validate   secrete   incubate   Half-n-half Clue   7. mean or insinuate.   incubate   smelt   manipulate   imply   Half-n-half Clue