regulation of signal transduction positive regulation of signal transduction Any process that activates or increases the frequency, rate or extent of signal transduction. GO:0009967 GO:0035468 Reactome:REACT_6227 activation of signal transduction biological_process positive regulation of signaling pathway positive regulation of signalling pathway stimulation of signal transduction up regulation of signal transduction up-regulation of signal transduction upregulation of signal transduction positive regulation of cell communication positive regulation of signaling positive regulation of response to stimulus