| firm(adjective, dull, set, solid, usual) |
| fixed(adjective, dull, firm, solid, certain) |
| immovable(adjective, calm, cool, firm, usual) |
| inexcitable(adjective, cool, blank, aloof, unemotional) |
| inflexible(adjective, steady, resolute, steadfast) |
| inscrutable(adjective, quiet, cool, moderate, gentle) |
| mild(adjective, quiet, cool, restrained, still) |
| nerveless(adjective, calm, cool, steady, unaffected) |
| neutral(adjective, calm, quiet, cool, moderate) |
| numb(adjective, unexcitable) |
| passionless(adjective, calm, cool, blank, aloof) |
| patient(adjective, calm, quiet, cool, moderate) |
| possessed(adjective, calm, quiet, relaxed, tranquil) |
| secure(certain, sure, guaranteed) |
| self-assured(adjective, calm, solid, relaxed, certain) |
| sensible(adjective, calm, sound, reasonable, relaxed) |
| solid(firm, certain, steady, sure, guaranteed) |
| stable(adjective, calm, dull, smooth, steady) |
| staunch |
| steadfast(adjective, dull, firm, solid, determined) |