Source : Webster's Revised Unabridged Dictionary (1913)

Tutelar \Tu"te*lar\, Tutelary \Tu"te*la*ry\, a. [L. tutelaris:
   cf. F. tut['e]laire. See {Tutelage}.]
   Having the guardianship or charge of protecting a person or a
   thing; guardian; protecting; as, tutelary goddesses.

         This, of all advantages, is the greatest . . . the most
         tutelary of morals.                      --Landor.

Source : WordNet®

tutelary
     adj : providing protective supervision; watching over or
           safeguarding; "daycare that is educational and not just
           custodial"; "a guardian angel"; "tutelary gods" [syn: {custodial},
            {guardian}, {tutelar}]