The Collaborative International Dictionary
Instimulate
Instimulate \In*stim"u*late\, v. t. [Pref. in- not + stimulate.]
Not to stimulate; to soothe; to quiet. [Obs.]
--Cheyne.
Instimulate
Instimulate \In*stim"u*late\, v. t. [L. instimulatus, p. p.
instimulare to stimulate. See 1st In-, and Stimulate.]
To stimulate; to excite. [Obs.]
--Cockeram.
Wiktionary
instimulate
Etymology 1 vb. (context obsolete English) To stimulate; to excite. Etymology 2
vb. Not to stimulate; to soothe; to quiet.