Consummation rhymes with:
approximation, summation, acclamation, acclimation, amalgamation, animation, approximation, automation, defamation, estimation, exclamation, inflammation, intimation, proclamation, reclamation, summation
approximation, summation, acclamation, acclimation, amalgamation, animation, approximation, automation, defamation, estimation, exclamation, inflammation, intimation, proclamation, reclamation, summation