1. reduce the concentration or strength.   dilute   fabricate   impel   compound   Hint Half-n-half Clue   2. collect into a mass.   agglomerate   corrode   germinate   environ   Half-n-half Clue   3. place in surrounding mass.   embed   cauterize   coalesce   coagulate   Half-n-half Clue   4. break up or scatter.   germinate   disperse   diverge   desiccate   Half-n-half Clue   5. build or invent.   compound   attenuate   fabricate   cauterize   Half-n-half Clue   6. collect together or unite.   aggregate   corrode   bifurcate   adulterate   Half-n-half Clue   7. establish validity or prove genuine.   compound   agglomerate   burnish   authenticate   Half-n-half Clue