Any process that activates or increases the frequency, rate or extent of actin filament binding.
Synonyms:
exact_synonym:
positive regulation of F-actin binding; up regulation of F-actin binding; up regulation of actin filament binding; upregulation of F-actin binding; upregulation of actin filament binding
narrow_synonym:
activation of F-actin binding; activation of actin filament binding
related_synonym:
activation of actin cross-linking activity; positive regulation of actin cross-linking activity; up regulation of actin cross-linking activity; upregulation of actin cross-linking activity