machinate
Concise Oxford English Dictionary © 2008 Oxford University Press:
machinate /ˈmakɪneɪt, ˈmaʃ-/
▶verb plot or scheme.
– derivatives
machination noun,
machinator noun.
machination noun,
machinator noun.
– origin C16 (earlier (ME) as machination): from L. machinat-, machinari ‘contrive’, from machina (see machine).
'machinate' also found in these Oxford entries:

