owe
verb (used with object)
to be under obligation to pay or repay.
Used to describe an action that will be fully completed or achieved by a specific point in the future.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
But it is for the undercurrent of ethical symbolism in Endymion that Keats will have owed the most to that master.
From Life of John Keats His Life and Poetry, his Friends, Critics and After-fame by Sidney Colvin