Exorbitance
Extreme, unreasonable expense or price
Aggrandize
1) To make greater in power
2) To exaggerate
Grandiose
1) Trying to seem important
2) Grand, magnificent in size, beauty, etc.
Gratuitous
Unnecessary, justified
Intemperate
Excessive, lacking moderation
Multifarious
Having great variety, diversity
Opulence
1) Wealth
2) Great abundance, often to excess
Profligate
Recklessly wasteful, wildly extravagant
Satiate
To fully satisfy an appetite or a desire
Surfeit
1) An excessive amount
2) To overindulge