| Sustaining (p. pr. & vb. n.) of Sustain. Thesaurus Entries aid, backing, bearing, bolstering, bracing, burdened, buttressing, carriage, carrying, holding, maintaining, maintenance, moral support, propping, psychological support, reliance, security blanket, shoring, subsidy, subvention, support, supporting, supportive, supportive relationship, supportive therapy, suspensory, sustainment, sustenance, sustentation, sustentative, upholding, upkeep |