Any process that activates or increases the frequency, rate or extent of metallopeptidase activity.
Synonyms:
exact_synonym:
up regulation of metallopeptidase activity; upregulation of metallopeptidase activity
narrow_synonym:
activation of metallopeptidase activity; activation of metalloprotease activity; activation of metalloproteinase activity; positive regulation of metalloprotease activity; positive regulation of metalloproteinase activity; up regulation of metalloprotease activity; up regulation of metalloproteinase activity; upregulation of metalloprotease activity; upregulation of metalloproteinase activity