| commonsensical(adjective, reasonable, sensible, useful, sober) |
| contributive(agreeable, suitable, useful, comfortable, beneficial) |
| cooperative(adjective, useful, minor, helpful, beneficial) |
| costly(adjective, important, useful, expensive, scarce) |
| credible |
| crucial(useful, running, beneficial, working, advantageous) |
| dear(adjective, important, useful, expensive, scarce) |
| doable(adjective, reasonable, sensible, useful, real) |
| easy to use(simplicity, convenience) |
| edifying |
| empirical(adjective, reasonable, sensible, useful, sober) |
| esteemed(adjective, important, useful, expensive, scarce) |
| estimable(adjective, excellent, sensible, important, useful) |
| expensive(adjective, important, useful, scarce, beneficial) |
| experimental(adjective, reasonable, sensible, useful, sober) |
| exploitable |
| facilitating |
| favorable(good, agreeable, suitable, useful, valuable) |
| feasible(free, reasonable, useful, accessible, realistic) |
| fine |