| prudent(hard, sound, reasonable, sensible, practical) |
| rational(hard, sound, reasonable, sharp, sensible) |
| ready(tough, energetic, effective, adept, effectual) |
| real(hard, sound, reasonable, sensible, practical) |
| reasonable(hard, sound, sensible, useful, practical) |
| regulated(neat, tidy, organized, arranged, methodical) |
| resolute |
| sane(hard, sound, reasonable, sensible, useful) |
| saving(tough, energetic, effective, adept, effectual) |
| scientific(neat, tidy, organized, arranged, methodical) |
| sensible(hard, sound, reasonable, sharp, useful) |
| seriousness |
| serviceable(adjective, reasonable, sensible, useful, sober) |
| set-up(exact, careful, regular, neat, organized) |
| shrewd(hard, sound, tough, sharp, realistic) |
| sincere |
| slick(neat, tidy, organized, arranged, methodical) |
| sober(hard, sound, reasonable, sharp, sensible) |
| solid(reasonable, useful, realistic, applied, hands-on) |
| sound(adjective, hard, reasonable, sensible, useful) |