Opportunity (6)
'opportunity' is the definition.
(I know that opening is a type of opportunity)
This is all the clue.
(Other definitions for opening that I've seen before include "Rent" , "Vacancy" , "Yawning" , "Job opportunity" , "Gateway - opportunity" .)
'opportunity' is the definition.
(occasion can mean an opportunity to do something)
This is all the clue.
(Other definitions for occasion that I've seen before include "Make happen" , "Need" , "Time when an event takes place" , "Special event or celebration" , "Special event; reason" .)
'opportunity' is the definition.
(I know that opportunity can be written as chance)
This is the entire clue.
(Other definitions for chance that I've seen before include "Serendipity" , "Fortune, hazard" , "Likelihood" , "Risk doing (something)" , "Happenstance" .)