1. A person who pleads for a cause or propounds an idea
   "The exponent passionately defended the rights of marginalized communities";
   - advocate, advocator, proponent
    
2. Someone who expounds and interprets or explains
   "He was a leading exponent of modern jazz in the 1950s"
    
3. A mathematical notation indicating the number of times a quantity is multiplied by itself
   "In the expression 2³, the 3 is the exponent";
   - power, index

Derived forms: exponents

Type of: actor, doer, intellect, intellectual, mathematical notation, worker

Encyclopedia: Exponent, inc