Any process that activates or increases the frequency, rate or extent of a cellular process, any of those that are carried out at the cellular level, but are not necessarily restricted to a single cell. For example, cell communication occurs among more than one cell, but occurs at the cellular level.
Synonyms:
exact_synonym:
positive regulation of cellular physiological process; up regulation of cellular process; upregulation of cellular process
narrow_synonym:
activation of cellular process; stimulation of cellular process