| beneficial(good, sensible, useful, valuable, practical) |
| best |
| cerebral(adjective, sound, sensible, rational, intelligent) |
| clear-cut(adjective, sound, sensible, rational, intelligent) |
| cognitive(adjective, sound, sensible, rational, intelligent) |
| commodious(good, reasonable, fit, appropriate, acceptable) |
| commonsensical(adjective, good, sound, sensible, fair) |
| condign(good, fit, appropriate, acceptable, apposite) |
| congruous |
| conscious(adjective, sound, sensible, rational, intelligent) |
| consequent(adjective, good, sound, sensible, fair) |
| consistent(adjective, sound, sensible, rational, intelligent) |
| cool(adjective, good, sound, smooth, sensible) |
| copacetic(good, fit, appropriate, acceptable, apposite) |
| credible(adjective, sound, sensible, rational, intelligent) |
| cut out for(expression, good, reasonable, fit, appropriate) |
| decent |
| deserved(good, fit, appropriate, acceptable, apposite) |
| due(good, fit, appropriate, acceptable, apposite) |
| effective(useful, practical, convenient) |