CONNIVE
scheme, intrigue, connive
(verb) form intrigues (for) in an underhand manner
Source: WordNet® 3.1
Etymology
Verb
connive (third-person singular simple present connives, present participle conniving, simple past and past participle connived)
(intransitive) Often followed by with: to secretly cooperate with another person or persons in order to commit a crime or other wrongdoing; to collude, to conspire. [from mid 17th c.]
(intransitive, botany, rare) Of parts of a plant: to be converging or in close contact; to be connivent.
(intransitive, obsolete) Often followed by at: to pretend to be ignorant of something in order to escape blame; to ignore or overlook a fault deliberately.
Synonyms: dissimulate (rare), look the other way, shut one's eyes, turn a blind eye, wink
(intransitive, obsolete) To open and close the eyes rapidly; to wink.
Conjugation
Source: Wiktionary
Con*nive", v. i. [imp. & p.p. Connived; p.pr. & vb.n. Conniving.]
Etym: [L. connivere to shut the eues, connive, fr. con- + (perh.) a
word akin to nicere to beckon, nictare to wink.]
1. To open and close the eyes rapidly; to wink. [Obs.]
The artist is to teach them how to nod judiciously, and to connive
with either eye. Spectator.
2. To close the eyes upon a fault; to wink (at); to fail or forbear
by intention to discover an act; to permit a proceeding, as if not
aware of it; -- usually followed by at.
To connive at what it does not approve. Jer. Taylor.
In many of these, the directors were heartily concurring; in most of
them, they were encouraging, and sometimes commanding; in all they
were conniving. Burke.
The government thought it expedient, occasionally, to connive at the
violation of this rule. Macaulay.
Con*nive", v. t.
Definition: To shut the eyes to; to overlook; to pretend not to see. [R. &
Obs.] "Divorces were not connived only, but with eye open allowed."
Milton.
Source: Webster’s Unabridged Dictionary 1913 Edition