positively regulates positively regulates regulation of cell fate commitment positive regulation of cell fate commitment Any process that activates, maintains or increases the frequency or rate of cell fate commitment. Cell fate commitment is the commitment of cells to specific cell fates and their capacity to differentiate into particular kinds of cells. Positional information is established through protein signals that emanate from a localized source within a cell (the initial one-cell zygote) or within a developmental field. biological_process GO:0010455 cell fate commitment positive regulation of cell differentiation biological regulation