Attributably means being able to be attributed or assigned to a specific cause or source. Synonyms for attributably include ascribed, imputable, assignable, attributable, referable, and traceable. These words all convey the idea of being able to trace the cause or reason for a particular event or situation. Additionally, some other words that may be used as synonyms for attributably include accountable, responsible, and answerable. These words signify the obligation or duty to take responsibility for something, and suggest a higher level of accountability than merely being able to trace the cause of an event.