| synergetic |
| synergistic |
| adjunctive(adjective, subject, collateral, attendant, subsidiary) |
| affiliated |
| akin(adjective, collateral, attendant, kindred, congeneric) |
| allied(adjective, collateral, attendant, kindred, congeneric) |
| appurtenant(adjective, subject, collateral, attendant, subsidiary) |
| associated |
| auxiliary(adjective, collateral, subsidiary, subservient, subalternate) |
| below the mark(expression, adjective, idiom, collateral, subsidiary) |
| calculated to produce(expression, adjective, idiom, collateral, subsidiary) |
| cliquish(adjective, collateral, subsidiary, subservient, subalternate) |
| cognate(adjective, collateral, attendant, kindred, congeneric) |
| cognated(adjective, collateral, attendant, kindred, congeneric) |
| conducive(adjective, collateral, subsidiary, subservient, subalternate) |
| confirmatory(adjective, subject, collateral, attendant, subsidiary) |
| congeneric(adjective, collateral, attendant, kindred) |
| conspiratorial(adjective, collateral, subsidiary, subservient, subalternate) |
| denominational(adjective, collateral, subsidiary, subservient, subalternate) |
| for show(expression, adjective, collateral, subsidiary, subservient) |