| effective(adjective, good, appropriate, proper, useful) |
| enjoyable(adjective, pleasant, agreeable, pleasing, satisfying) |
| functional(adjective, good, valuable, practical, helpful) |
| ideal(correct, proper, flawless, faultless, textbook) |
| logical(adjective, reasonable, sensible, wise, prudent) |
| noble(adjective, good, correct, appropriate, fair) |
| of use(verb, expression, phrasal verb, good, valuable) |
| on the button(expression, adjective, idiom, good, correct) |
| open(adjective, fit, friendly, appropriate, agreeable) |
| politic(adjective, fit, appropriate, sensible, useful) |
| prim(adjective, good, proper, well-mannered, well-behaved) |
| promising(adjective, good, pleasant, appropriate, happy) |
| safe |
| solid(adjective, good, acceptable, adequate, sufficient) |
| sortable |
| symbiotic(useful, beneficial, advantageous) |
| worthwhile(adjective, reasonable, sensible, useful, wise) |
| accomplished(adjective, flawless, faultless, competent, textbook) |
| ad rem(expression, appropriate, useful, apt, connected) |
| adept(adjective, knowledgeable, flawless, faultless, competent) |