| productive(adjective, sensible, useful, helpful, positive) |
| useful(adjective, good, reasonable, sensible, energetic) |
| creative(adjective, rational, fantastic, original, resourceful) |
| positive(adjective, useful, valuable, practical, helpful) |
| beneficial(adjective, useful, helpful, positive, advantageous) |
| helpful(adjective, sensible, useful, beneficial, beneficent) |
| practical(adjective, complete, firm, certain, useful) |
| profitable(adjective, sensible, useful, valuable, practical) |
| advantageous(adjective, good, friendly, sensible, energetic) |
| effective(adjective, energetic, vigorous, near, useful) |
| implicit(adjective, reasonable, sensible, question, useful) |
| valuable(adjective, friendly, sensible, energetic, sympathetic) |
| inventive(adjective, creative) |
| serviceable(adjective, reasonable, friendly, sensible, useful) |
| virtual(adjective, complete, reasonable, firm, sensible) |
| inferential(complete, firm, certain, hidden, obedient) |
| structural |
| good(adjective, sensible, useful, valuable, practical) |
| inspirational |
| supportive(adjective, useful, beneficial, advantageous) |