Definify.com

Webster 1913 Edition

Noun.

One who enhances; one who, or that which, raises the amount, price, etc.

Noun.

One who enhances; he or that which raises price, &c.

enhancer ‎(plural enhancers)

Something that enhances.
- 2007, Ken Albala, Beans: A History (page 95)
  Mucuna pruriens' Latin name may be thought to suggest its predilection, but actually means itchy. Nonetheless, one can easily find it being sold in capsules as a sex enhancer. It has actually been used as such in Ayurvedic medicine for centuries.
(genetics) A short region of DNA that can increase transcription of genes