| suasive |
| suitable(adjective, friendly, happy, sympathetic, useful) |
| supreme(main, chief, independent, principal, prevailing) |
| systematic(tough, energetic, effective, adept, effectual) |
| timely(adjective, friendly, happy, sympathetic, useful) |
| true(sound, reasonable, rational) |
| trustworthy(good, sound, right, reasonable, rational) |
| upper hand(expression, strong, energetic, vigorous, capable) |
| well-organized(tough, energetic, effective, adept, effectual) |
| wicked(strong, energetic, vigorous, capable, effective) |
| worthwhile |
| abler |
| ablest |
| accessible(useful, beneficial, advantageous) |
| accidental(adjective, happy, beneficial, fortunate, opportune) |
| accommodating(useful, beneficial, advantageous) |
| accomplished(tough, effective, adept, effectual, well-organized) |
| acting |
| acute(sensible, wise, shrewd) |
| adapted(tough, energetic, effective, adept, effectual) |