Accili was born on 19 October 1921 in Acciano.[1][2] Prior to his political career, Accili was a primary school teacher.[2] He was the mayor of his hometown before serving in the Senate.[citation needed]
Accili would serve in the Italian Senate from 1968 to 1987.[2] While serving there, he became a leader of the left leaning component of the Christian Democrats alongside Luciano Fabiani.[3][4]