Friday Anagrams

Fun anagrams for Friday. . .seven letters are given in alphabetical order, find the anagram! (If there is more than one anagram, there it will say so in parentheses after the alphagram)

Theme -- I think, therefore I am.
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Easy: GIINNOP

Medium: AEGIIMN

Hard: CDDDEEU
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Have fun. . .answers after the jump



Easy: OPINING

Medium: IMAGINE

Hard: DEDUCED