Some of us have great intuition about a lot of things or at the very least, a few things. Many feel that this is built through experience while others feel you need to be born with impressive intuitive skills. Intuition, in a nutshell, is simply the random ability to consume knowledge that has no aid from conscious reasoning.
The word itself technically has a few meanings, so it is likely that someone has used it one way while another has used it differently. This can be defined by them as a direct path to unconscious knowledge, cognition, or inner sense. Meanwhile, it can also be the inner insight to pattern-recognition or to understand something seemingly on instinct alone. The latter is often the most attributed to the word.