| sustaining(verb, adjective, important, significant, original) |
| auxiliary(adjective, support, lower, spare, inferior) |
| supportive(adjective, spare, reserve, secondary, subsidiary) |
| assisting(verb, adjective, support, supplementary, assisting) |
| backing(noun, verb, adjective, preposition, support) |
| encouraging(verb, adjective, aiding) |
| confirming(verb, positive, evincing, assenting, substantiating) |
| helpful(adjective, assisting, aiding) |
| helping(verb, adjective, assisting, aiding) |
| corroborating(verb, adjective, approval, proof, verification) |
| propping(verb, adjective, strengthening) |
| aiding(verb, adjective, assisting, aiding) |
| buttressing(verb, strengthening) |
| maintaining(verb, ordering, affirming) |
| support(noun, verb, adjective, help, praise) |
| upholding(verb, adjective, defending, assisting) |
| verifying(verb, approval, proof, verification, endorsement) |
| abetting(verb, adjective, support, spare, auxiliary) |
| approving(verb, adjective, positive, affirming, assenting) |
| bolstering |