| specious |
| statutory(proper, just, valid, legal, legitimate) |
| subtle(clear, sound, reasonable, sensible, rational) |
| telling(clear, sound, reasonable, sensible, rational) |
| thought-out(adjective, sound, sensible, rational, intelligent) |
| thoughtful(adjective, sound, sensible, rational, intelligent) |
| together(adjective, sound, sensible, rational, intelligent) |
| tolerant(adjective, sound, sensible, rational, intelligent) |
| true(adjective, sound, reasonable, honest, rational) |
| trustworthy(sound, reasonable, rational) |
| unbiased(adjective, sound, right, reasonable, honest) |
| unobjectionable |
| unprejudiced(adjective, sound, right, reasonable, honest) |
| viable(adjective, sound, reasonable, rational) |
| virtuous(adjective, right, reasonable, honest, fair) |
| well-advised(adjective, sound, sensible, rational, intelligent) |
| well-argued |
| well-organized(clear, sound, reasonable, sensible, rational) |
| wholesome |
| wise(adjective, clear, sound, reasonable, sensible) |