oblige

1. (transitive) To constrain someone by force or by social, moral or legal means.Examples: "I am obliged to report to the police station every week."; "Tho' he was some time awake before me, yet did he not offer to disturb a repose he had given me so much occasion for; but on my first stirring, which was not till past ten o'clock, I was oblig'd to endure one more trial of his manhood."transitive

2. (transitive, intransitive) To do (someone) a service or favour (hence, originally, creating an obligation).Examples: "He obliged me by not parking his car in the drive."; "The singer obliged with another song."; "In the mean time I have another trouble to give you, if you will oblige me in it; and that is to get me a sight of the famous Orrery, which I have heard you and others so often speak of; and which I think was made by Mr. Rowley, the famous Mathematical Instrument-Maker."intransitivetransitive

3. (intransitive) To be indebted to someone.Examples: "I am obliged to you for your recent help."intransitive