Hardly indispensable words.
incite
vt.
3cit$ed, 3cit4ing 5ME inciten < OFr inciter < L incitare < in3, in, on + citare, to set in motion, urge: see CITE6 to urge to action; stir up; rouse
in[cite4ment or in[ci[ta[tion 7in#s! ta4*!n, 3sj38
n.
in[cit$er
n.
SYN.—incite implies an urging or stimulating to action, either in a favorable or unfavorable sense [incited to achievement by rivalry]; instigate always implies responsibility for initiating the action and usually connotes a bad or evil purpose [who instigated the assassination?]; arouse, in this connection, means little more than a bringing into being or action [it aroused my suspicions]; foment suggests continued incitement over an extended period of time [the unjust taxes fomented rebellion] —ANT. restrain, inhibit