The Collaborative International Dictionary of English v.0.48:
Instate \In*state"\, v. t. [imp. & p. p. Instated; p. pr. &
vb. n. Instating.]
To set, place, or establish, as in a rank, office, or
condition; to install; to invest; as, to instate a person in
greatness or in favor. --Shak.
[1913 Webster]
Moby Thesaurus II by Grady Ward, 1.0:
18 Moby Thesaurus words for "instate":
anoint, chair, crown, enlist, enroll, enthrone, inaugurate, induct,
initiate, install, invest, ordain, place, place in office, put in,
sign on, sign up, throne