noblesse o·blige 
(ō-blēzh)
(ō-blēzh)n.
Benevolent, honorable behavior considered to be the responsibility of persons of high birth or rank.
[French, nobility is an obligation : noblesse, nobility + oblige, third person sing. present tense of obliger, to obligate.]
- consciousness
- consciousness-raiser
- consciousness-raising
- conscript
- conscription
- consecrate
- consecration
- consecrative
- consecrator
- consecratory
- consecution
- consecutive
- consecutively
- consecutiveness
- consensual
- consensually
- consensus
- consent
- consentaneity
- consentaneous
- consentaneously
- consentaneousness
- consent decree
- consenter
- consequence