1. a person who makes a formal proposal or motion in a meeting or legal proceeding
Usage: legal; formal

Examples

• The motioner requested that the board vote on the new policy immediately.
• As the motioner, she had the right to speak first on the proposal.
• The committee chair recognized the motioner and asked him to state his motion clearly.
• After the motioner presented the amendment, several members asked for clarification.
• The motioner withdrew her proposal when it became clear there was insufficient support.