unobjectionable

(a) (of behavior or especially language) free from objectionable elements; fit for all observers
- good clean fun
- a clean joke
clean,
(s) not causing disapproval
- it was an innocuous remark
- confined himself to innocuous generalities
- unobjectionable behavior
innocuous,
(s) not objectionable
- the ends are unobjectionable; it's the means that one can't accept

clean innocuous

dirty