Any process that activates or increases the frequency, rate or extent of the chemical reactions and pathways resulting in the formation of substances, carried out by individual cells.
Synonyms:
exact_synonym:
positive regulation of cellular anabolism; positive regulation of cellular biosynthesis; positive regulation of cellular formation; positive regulation of cellular synthesis; up regulation of cellular biosynthetic process; upregulation of cellular biosynthetic process
narrow_synonym:
activation of cellular biosynthetic process; stimulation of cellular biosynthetic process