Any process that activates or increases the frequency, rate or extent of growth hormone activity.
Synonyms:
exact_synonym:
positive regulation of GH activity; up regulation of GH activity; up regulation of growth hormone activity; upregulation of GH activity; upregulation of growth hormone activity
narrow_synonym:
activation of GH activity; activation of growth hormone activity; activation of pituitary growth hormone activity; activation of placental growth hormone activity; positive regulation of pituitary growth hormone activity; positive regulation of placental growth hormone activity; up regulation of pituitary growth hormone activity; up regulation of placental growth hormone activity; upregulation of pituitary growth hormone activity; upregulation of placental growth hormone activity