Meaning of SCHEME in English
1》 a systematic plan or arrangement for attaining some particular object or putting a particular idea into effect.
↘a particular ordered system or arrangement: a classical rhyme ~.
2》 a secret or underhand plan; a plot.
1》 form a ~, especially a devious one or with intent to do something wrong.
2》 arrange according to a colour ~.
scheming adjective &noun
C16 (denoting a figure of speech, later 'diagram of the position of celestial objects'): from L. schema , from Gk (see schema ).
Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004