moralistic (adj.)

• admonitory
• advisory
• axiological
• cautionary
• consultative
• consultatory
• didactic
• directive
• ethical
• exhortative
• exhortatory
• hortative
• hortatory
• instructive
• monitory
• moral
• noble
• preachy
• principled
• right-minded
• righteous
• sententious
• virtuous
• warning