firmly held belief

CONVICTION
WordClue
CREEDstatement of belief
FAITHbelief, credence
TRUSTbelief, faith
HANDLEpart of device designed to be held
ATHEISMBelief that no deities exist
OPINIONbelief, verdict
STADIUMvenue where sporting events are held
RELIGIONsacred belief system
INVENTORYgoods held for resale
ORTHODOXYCorrectness in doctrine and belief
PRINCIPLEtenet
ESTIMATIONopinion, belief
SKYfirmament
BACKBONEfirmness, decision