The Collaborative International Dictionary of English v.0.48:
Install \In*stall"\, v. t. [imp. & p. p. Installed; p. pr. &
vb. n. Installing.] [F. installer, LL. installare, fr.
pref. in- in + OHG. stal a place, stall, G. stall, akin to E.
stall: cf. It. installare. See Stall.] [Written also
1. To set in a seat; to give a place to; establish (one) in a
She installed her guest hospitably by the fireside.
2. To place in an office, rank, or order; to invest with any
charge by the usual ceremonies; to instate; to induct; as,
to install an ordained minister as pastor of a church; to
install a college president.
Thou wast installed in that high degree. --Shak.