Synonyms for Exponent:
adj.
•numeric/numerical (adjective)fraction, logarithm, integral, arithmetic.
n.
average, abacus, calculation, deviation, countdown, supporter, computational, binomial, interpreter, decimal place, approximation. follower, ideologue, sympathizer, adherent, sponsor. maestro, queen, prodigy, past master, superman, best, artist, old hand, master. •champion (noun)advocate, sympathizer.
•communication (noun)
index, power.
•exponent (noun)
index, advocate, advocator, power, supporter, representative, specimen, type, proponent, interpreter.
•index (noun)
representative, type, specimen, example.
•instance (noun)
example.
•mathematics (noun)
calculus, subtrahend, differential calculus, dividend, integral, increment, fraction, denominator, modulus, multiplier, quotient, root, index, multiplicand, divisor, minuend, arithmetic, trigonometry, cube root, logarithm, radix, factor, multiple, geometry, square root, Multiplicator, reciprocal, quadratics, algorithm, coefficient, algebra, antilogarithm, numerator, formula, power, cube.
Other synonyms:
example, follower, prodigy, ideologue, old hand, artist, superman, past master, sympathizer, adherent, sponsor, supporter. master, queen, best. •translator
interpreter.
Usage examples for exponent

Its object is to bring Life and Letters into closer touch with each other, and, accordingly, its work is carried on in a new spirit: it considers literature as an exponent of human evolution rather than as a finished product, and aims to study life and the progress of ideals in letters. – The Three Heron's Feathers by Hermann Sudermann

What curious change had been wrought in this exponent this almost symbol of thrift that she should actually encourage him in the pursuit of the ruinous course into which he'd been thrust by the wonderful dress suit! – Skinner's Dress Suit by Henry Irving Dodge

Now, I will take as an exponent of this whole belief one who came forth into active life just at the time of the Nicene Council, and whose name has been ever since identified with the defence of that especial doctrine upon which the whole fabric of the Christian faith rested, namely, the Godhead of Christ. – Church and State as Seen in the Formation of Christendom by T. W. Allies