théorique, adj., theoretical.
théoriquement (-rik-mān), adv., theoretically.
théoriser, v.a., to theorize.
théoriste, n.m., theorist.
théosophe, n.m., theosophist.
théosophie, n.f., theosophy.
thérapeutes, n.m.pl., (religious order) Therapeutics.
thérapeutique, adj., therapeutical.
thérapeutique, n.f., (med.) therapeutics.
thériacal, -e, adj., (pharm.) theriac, theriacal.