The Collaborative International Dictionary of English v.0.48:
Addict \Ad*dict"\, v. t. [imp. & p. p. Addicted; p. pr. & vb.
n. Addicting.] [L. addictus, p. p. of addicere to adjudge,
devote; ad + dicere to say. See Diction.]
1. To apply habitually; to devote; to habituate; -- with to.
"They addict themselves to the civil law." --Evelyn.
He is addicted to his study. --Beau. & Fl.
That part of mankind that addict their minds to
His genius addicted him to the study of antiquity.
A man gross . . . and addicted to low company.
2. To adapt; to make suitable; to fit. [Obs.]
The land about is exceedingly addicted to wood, but
the coldness of the place hinders the growth.
Syn: Addict, Devote, Consecrate, Dedicate. Addict was
formerly used in a good sense; as, addicted to letters;
but is now mostly employed in a bad sense or an
indifferent one; as, addicted to vice; addicted to
sensual indulgence. "Addicted to staying at home." --J.
S. Mill. Devote is always taken in a good sense,
expressing habitual earnestness in the pursuit of some
favorite object; as, devoted to science. Consecrate and
dedicate express devotion of a higher kind, involving
religious sentiment; as, consecrated to the service of
the church; dedicated to God.