Synonyms for Scheming (same or very similar meaning)
WordNet sense 1 (used of persons):
calculating, calculative, conniving, shrewd
WordNet sense 2 (dispassionate):
hard
WordNet sense 3 (concealing crafty designs for advancing your own interest):
designing
WordNet sense 4 (marked by skill in achieving a desired end especially with cunning or craft):
artful
From the ODE community, based on WordNet
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