verb (used with object), ob·li·gat·ed, ob·li·gat·ing.
Origin of obligate
Word Origin for obligate
1540s, "to bind, connect;" 1660s, "to put under moral obligation," back-formation from obligation, or else from Latin obligatus, past participle of obligare (see oblige). Oblige, with which it has been confused since late 17c., means "to do one a favor." Related: Obligated; obligating.