The Collaborative International Dictionary
Machinating
Machinate \Mach"i*nate\, v. i. [imp. & p. p. Machinated; p.
pr. & vb. n. Machinating.] [L. machinatus, p. p. of
machinari to devise, plot. See Machine.]
To plan; to contrive; esp., to form a scheme with the purpose
of doing harm; to contrive artfully; to plot. ``How long will
you machinate!''
--Sandys.
Wiktionary
machinating
vb. (present participle of machinate English)