When someone feels compelled or required to do something, they may use the phrase "was obliged." However, there are many synonyms that could take its place in various contexts. Some alternatives include "had to," "was compelled," "was required," "was mandated," "was forced," "had no choice but to," "was duty-bound," "had a responsibility to," and "had an obligation to." Each of these words can convey a slightly different connotation, ranging from a strong sense of duty to a more passive acceptance of a situation. Depending on the situation and the tone of the conversation, one of these synonyms may be a better fit than the phrase "was obliged.