Sīla is moral conduct, the foundation of the Buddhist path. For lay people it is expressed in the five precepts, to refrain from killing, stealing, sexual misconduct, false speech and intoxicants; for monastics in the Vinaya. A clear conscience brings gladness, which supports concentration.
Sīla
Ethics or virtue: the restraint of body and speech, the first of the three trainings.
Also: Sila, virtue, precepts