obliged

Used to express gratitude or thankfulness to someone.

• "I'm much obliged for your assistance; I'm truly grateful."

to be compelled or feel morally or legally bound to do something; to feel it is necessary to do something due to circumstances.

• Employees are obliged to wear uniforms during working hours due to company policy.

used to make a polite request, indicating that one would be very grateful if the action were performed.

• I would be obliged if you could reply as soon as possible.