Read the dictionary definition of possible. All definitions for this word.
1. something that can be done
1. politics is the art of the possible
2. an applicant who might be suitable
3. existing in possibility
1. a potential problem
2. possible uses of nuclear power
4. capable of happening or existing
1. a breakthrough may be possible next year
2. anything is possible
3. warned of possible consequences
See also:
Merriam-Webster definition of possible