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general::
1. Also, have a voice in. Have the right or power to influence or make a decision about something. For example, I want to have a say in this matter, or Citizens want to have a voice in their local government. [c. 1600] 2. have one's say. Express one's views, as in As soon as I've had my say I'll sit down. [Late 1600s] 3. have the say. Be in command, as in The general has the say over which troops will be sent. [Early 1800s]
American Heritage Idioms