Something that can be assumed or relied upon. My vote isn't a given, you know—you still need to prove to me that you can handle this job. Our team's victory felt like a given, so we were all shocked when the underdogs beat them.
See also: given
1. Designated. If you're not here at the given time tomorrow, the bus is going to leave without you!
2. Considering. Given the rainy weather, we had to cancel the picnic.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.