Englishsanctimonious
adjective
one tries to set a bit of an example, if that's not too sanctimonious:
self-righteous, holier-than-thou, churchy, pious, pietistic, moralizing, unctuous, smug, superior, priggish, mealy-mouthed, hypocritical, insincere, for form's sake, to keep up appearances;
informal goody-goody, pi;
rare religiose, Pharisaic, Pharisaical, Tartuffian.