General Dismissal:
* Discharge: This is a common synonym for dismissal, especially in a formal setting.
* Termination: This is more formal and implies a permanent end to employment.
* Firing: This is a more informal term, often used for involuntary dismissals.
* Layoff: This implies a temporary dismissal due to economic reasons.
* Release: This is a more neutral term, often used for dismissals without fault.
Dismissal of Ideas/Arguments:
* Rejection: This implies a refusal to accept something.
* Refutation: This means to disprove or contradict something.
* Disregard: This means to ignore or pay no attention to something.
* Debunking: This means to expose the falseness of something.
Dismissal of a Person/Group:
* Expulsion: This is a formal removal from a group or organization.
* Excommunication: This is a formal exclusion from a religious group.
* Banishment: This is a formal expulsion from a place or society.
Informal Dismissal:
* Brush-off: This is a casual way of saying someone was dismissed rudely.
* Snub: This is a deliberate act of ignoring someone.
* Ignore: This means to pay no attention to something.
The best word to use will depend on the specific situation.