(n)opportunity, chancea possibility due to a favorable combination of circumstances“the holiday gave us the opportunity to visit Washington”, “now is your chance”
(n)luck, fortune, chance, hazardan unknown and unpredictable phenomenon that causes an event to result one way rather than another“bad luck caused his downfall”, “we ran into each other by pure chance”
(n)probability, chancea measure of how likely it is that some event will occur; a number expressing the ratio of favorable cases to the whole number of cases possible“the probability that an unbiased coin will fall with the head up is 0.5”, “if that phone call is for me, chances are it's my wife”
(v)find, happen, chance, bump, encountercome upon, as if by accident; meet with“We find this idea in Plato”, “I happened upon the most wonderful bakery not very far from here”, “She chanced upon an interesting book in the bookstore the other day”