To rarefy something is to make it less dense, as in oxygen at high altitudes; this word also refers to purifying or refining something, thereby making it less ordinary or commonplace.
Something that has putrefied has decayed and emits a bad odor.
If you are satisfied with something, you are pleased or happy with it because you have enough of what you need or want.
make dull or stupid or muddle with drunkenness or infatuation
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