Answer: opportunity

AnswerCrossword Clue
OPPORTUNITYChance
OPPORTUNITYWell-known knocker.
OPPORTUNITYArkansas' tag motto: Land of ....
opportunityA set of circumstances that makes it possible to do something
opportunityA chance for employment or promotion
opportunitya favorable juncture of circumstances