supporting Synonyms

confirmatory propping endorsing backing secondary bearing encouraging sustaining support helping buttressing corroborative corroborating load-bearing assisting upholding helpful aiding ancillary maintaining supportive marginal shoring masker strengthening structural minor sheltering placer serving probative promoting promote reenforcement sanctioning peripheral patronize partisan logistical subordinate subsidiary bit part prop up reinforced reinforcing runner up substantiative validatory verificatory validating