meliorism

from WordNet (r) 3.0 (2006)
meliorism
    n 1: the belief that the world can be made better by human
         effort
from The Collaborative International Dictionary of English v.0.48
Meliorism \Mel"io*rism\, n. [From L. melior better.]
   The doctrine that there is a tendency throughout nature
   toward improvement. --J. Sully.
   [1913 Webster]
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