devout
de.vout \di-'vau.t\ aj [ME devot, fr. OF, fr. LL devotus, fr. L, pp. of devove-re] 1: devoted to religion or to religious duties or exercises 2: expressing devotion or piety 3: warmly devoted : SINCERE DEVOUT stresses a mental attitude that leads to frequent and sincere though not always outwardly evident prayer and worship; PIOUS applies to the faithful performance of religious duties and maintenance of outwardly religious attitudes, frequently with a connotation of hypocrisy; RELIGIOUS may imply devoutness and piety but it emphasizes faith in a deity and adherence to a way of life in keeping with that faith; PIETISTIC implies an insistence on the emotional as opposed to the intellectual aspects of religion; SANCTIMONIOUS implies pretentions to holiness or smug appearance of piety - de.vout.ly av SYN syn PIOUS, RELIGIOUS, PIETISTIC, SANCTIMONIOUS:
Webster's English Dictionary