To dismiss is to send someone away, or to disregard an idea or treat something as unworthy of consideration.
(verb)
- When you fire an employee, this is an example of a situation where you dismiss the employee.
- When you let your maid know she can leave for the day, this is an example of a situation where you dismiss the maid.
- When you disregard a suggestion offhand without even considering it, this is an example of a situation where you dismiss the suggestion.