Obligate

Ob"li*gate (?), v. t. [imp. & p. p. Obligated (?); p. pr. & vb. n. Obligating.] [L. obligatus, p. p. of obligare. See Oblige.] 1. To bring or place under obligation, moral or legal; to hold by a constraining motive. "Obligated by a sense of duty." Proudfit.

That's your true plan -- to obligate
The present ministers of state.
Churchill.

2. To bind or firmly hold to an act; to compel; to constrain; to bind to any act of duty or courtesy by a formal pledge.

That they may not incline or be obligated to any vile or lowly occupations.
Landor.