Claim
A statement that supports a position
Cloister
A tranquil, secluded place
Complacent
Satisfied; Content
Complex
Complicated
Comprehensive
Covering or including everything
Comprise
To consist of
Compromise
Agreement between sides in which each side gives up some of what it wants.
Concede
To admit as true; to yield, submit
Concrete
Real; actual; not abstract
Concur
Agree