Any process that activates or increases the frequency, rate or extent of septation initiation signaling.
Synonyms:
exact_synonym:
positive regulation of septation initiation network; positive regulation of septation initiation signalling; up regulation of septation initiation signaling; upregulation of septation initiation signaling
narrow_synonym:
activation of septation initiation signaling; stimulation of septation initiation signaling
related_synonym:
positive regulation of septation initiation signaling cascade