Any process that activates or increases the frequency, rate or extent of cellular response to manganese ion.
Synonyms:
exact_synonym:
positive regulation of cellular response to manganese; up regulation of cellular response to manganese; up regulation of cellular response to manganese ion; upregulation of cellular response to manganese; upregulation of cellular response to manganese ion
narrow_synonym:
activation of cellular response to manganese; activation of cellular response to manganese ion