| verb | lengthen or extend in duration or space “We sustained the diplomatic negotiations as long as possible” |
| verb | undergo (as of injuries and illnesses) “She suffered a fracture in the accident” |
| verb | provide with nourishment “We sustained ourselves on bread and water” |
| verb | supply with necessities and support “She alone sustained her family” |
| verb | be the physical support of; carry the weight of “The beam holds up the roof” |
| verb | admit as valid “The court sustained the motion” |
| verb | establish or strengthen as with new evidence or facts “his story confirmed my doubts” |
| prolongation | noun | the consequence of being lengthened in duration |
| sustainable | adjective | capable of being sustained |
| sustainer | noun | someone who upholds or maintains |
| sustenance | noun | the act of sustaining life by food or providing a means of subsistence |
| sufferer | noun | a person suffering from an illness |
| nutrient | adjective | of or providing nourishment |
| nourishment | noun | a source of materials to nourish the body |
| nurturance | noun | physical and emotional care and nourishment |
| sustainment | noun | the act of sustaining life by food or providing a means of subsistence |
| keep | noun | the financial means whereby one lives |
| maintenance | noun | means of maintenance of a family or group |
| holder | noun | a holding device |
| support | noun | the act of bearing the weight of or strengthening |
| supporter | noun | a band (usually elastic) worn around the leg to hold up a stocking (or around the arm to hold up a sleeve) |
| supporting | noun | the act of bearing the weight of or strengthening |
| confirmative | adjective | serving to support or corroborate |
| confirmatory | adjective | serving to support or corroborate |
| confirmation | noun | information that confirms or verifies |
| corroborative | adjective | serving to support or corroborate |
| corroboratory | adjective | serving to support or corroborate |
| corroboration | noun | confirmation that some fact or statement is true through the use of documentary evidence |
| substantiative | adjective | serving to support or corroborate |
| substantiation | noun | additional proof that something that was believed (some fact or hypothesis or theory) is correct |
| affirmable | adjective | capable of being affirmed or asserted |
| affirmation | noun | a judgment by a higher court that the judgment of a lower court was correct and should stand |