What is another word for wast under obligation?
Pronunciation: [wɒst ˌʌndəɹ ˌɒblɪɡˈe͡ɪʃən] (IPA) 
The phrase "wast under obligation" is an old-fashioned phrase that means to owe someone a debt of gratitude or a favor. Some synonyms for this phrase include "indebted," "beholden," "obligated," "beholden to," "under a debt of gratitude," and "owing a favor." All of these words convey a sense of indebtedness or responsibility to someone else. While these phrases may sound antiquated, they still have their place in modern language. So the next time someone does you a favor, remember to say thank you and let them know that you are not only grateful, but also feel obligated to return the gesture in some way.
