The word 'obliged' is correct and usable in written English. It is generally used to express gratitude or appreciation after someone has done you a favour. For example, you could say "Thank you for your help. I'm very obliged.".
They obliged.
Details of the payment emerged in a report by the public spending watchdog published on Wednesday, which revealed that senior managers at the BBC were paid nearly £2m more than they were contractually obliged to over a three-year period.
Because of a time restriction, we were obliged to interview the artists as a pack.When we came to the carpet guy, the correspondent I'd spoken with earlier asked him about his £8,000 fee for a domestic commission.
In many ways the American actor has already obliged.
The institute's chief executive, Ian Tudor, told Guardian Australia the confidentiality of student records was of "paramount importance to the institute, and given the magnitude of the breach of confidentiality we were obliged to report it to the police".
For my more recent visits to perform there I have felt obliged, for a few reasons, to give all profits from the shows to Israeli charities – those concerned with the co-education of young Jews, Christians and Israeli Arabs.
Moreover, given the deadlock and the glacial pace of world trade negotiations, the TTIP will create a template for global trade that the big emerging economies, not least China, might feel obliged to follow.
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Ha Thuy Vy
MA of Applied Linguistic, Maquarie University, Australia