n.
opportunity
1) to have; take an ~ (to do smt.)
2) a propitious ~
3) an ~ for
4) an ~ to + inf. (I had no ~ to speak with them; there was no ~ for me to tell her)
5) an ~ arises
happening
event
6) to celebrate; mark, observe an ~
7) a festive, gala; fitting, propitious; happy, joyful, joyous; memorable; official; special; unforgettable ~
8) on an ~ (on this ~; on numerous ~s)
challenge
9) to rise to the ~
reason
10) an ~ for (there is no ~ for alarm)
misc.
11) on ~ ('sometimes')