1. remove unwanted stuff; purify or cleanse.   perturb   purge   interpolate   steep   Hint Half-n-half Clue   2. hinder or prevent.   sap   truncate   inhibit   postulate   Half-n-half Clue   3. hypnotize.   partition   mesmerize   implode   implement   Half-n-half Clue   4. multiply and spread.   mesmerize   propagate   vaporize   wane   Half-n-half Clue   5. hatch.   implode   incubate   invalidate   solder   Half-n-half Clue   6. exhaust vigor of or undermine.   partition   ossify   interpolate   sap   Half-n-half Clue   7. cut the tip off.   superimpose   truncate   imply   ruminate   Half-n-half Clue