1. a persuasive or alluring quality; something that attracts or wins someone over
Usage: informal; chiefly North American; often used in the phrase 'put the comether on'

Examples

• She had a certain comether that made everyone want to listen to her.
• He put the comether on the voters with his charismatic speech.
• The salesman's comether was so effective that customers rarely left empty-handed.
• That restaurant has a real comether—people line up around the block.
• She knew how to put the comether on when she wanted something.