| admissible(adjective, open, free, fit, friendly) |
| attainable(adjective, open, free, fit, friendly) |
| befitting |
| both feet on the ground(expression, adjective, idiom, reasonable, sensible) |
| compliant(adjective, quiet, gentle, meek, easygoing) |
| constructive(adjective, reasonable, friendly, sensible, useful) |
| consumable(adjective, practical, working, serviceable, available) |
| credible |
| current(adjective, working, available) |
| doable(adjective, reasonable, sensible, useful, sober) |
| docious(adjective, quiet, gentle, meek, easygoing) |
| efficacious(useful, beneficial, advantageous) |
| efficient(adjective, strong, open, reasonable, sensible) |
| empirical(adjective, reasonable, sensible, useful, sober) |
| fitting(adjective, utilizable) |
| free(adjective, open, fit, appropriate, suitable) |
| friendly(adjective, appropriate, sympathetic, useful, valuable) |
| fruitful |
| functioning |
| general(adjective, open, free, fit, friendly) |