Realistic describes someone who has a good grip on the reality of a situation and understands what can and cannot be done, something that is a practical, achievable idea, or something that resembles the actual truth about life.
(adjective)
- An example of realistic is a person who knows his own limitations and isn't going to expect to be an amazing opera singer when he can't even carry a tune.
- An example of realistic is a book that really rings true and that could be about true life.