- To preoccupy, as ground or land; to take previous
possession of. - To preoccupy, as the mind or heart, so as to
preclude other things; hence, to bias or prejudice; to give a previous
inclination to, for or against anything; esp., to induce a favorable
opinion beforehand, or at the outset.
Meaning of 'prepossess' (Princeton's WordNet)
1 . prepossess
[ v]
Meaning (1): - make a positive impression (on someone) beforehand