an appropriate or favorable time or occasion

Their meeting afforded an opportunity to exchange views.

a situation or condition favorable for attainment of a goal.

a good position, chance, or prospect, as for advancement or success.

noun

bad luck , misfortune

noun

befalling , break * , connection , contingency , convenience , cut * , event , excuse , fair shake * , fighting chance * , fitness , fling * , fortuity , freedom , go * , good fortune , good luck , happening , hope , hour , iron in the fire , juncture , leisure , liberty , moment , occasion , one’s move , one’s say , one’s turn , opening , pass , prayer * , probability , relief , room , run , scope , shot * , show , space , spell , squeak , stab , the hunt , the running , time , turn , whack * , break , chance , advantage , conjuncture , exploit , shot