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Related to rarify: rarefy
Variant of rarefy.
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|Verb||1.||rarify - make more complex, intricate, or richer; "refine a design or pattern"|
alter, change, modify - cause to change; make different; cause a transformation; "The advent of the automobile may have altered the growth pattern of the city"; "The discussion has changed my thinking about the issue"
involve - make complex or intricate or complicated; "The situation was rather involved"
develop - elaborate by the unfolding of a musical idea and by the working out of the rhythmic and harmonic changes in the theme; "develop the melody and change the key"
sophisticate - make more complex or refined; "a sophisticated design"