| precise(adjective, exact, definite, sure, accurate) |
| predetermined(adjective, firm, determined, usual, regular) |
| purposeful(adjective, firm, certain, determined, serious) |
| ready(tough, energetic, effective, adept, effectual) |
| required(adjective, important, significant, essential, critical) |
| rigid(adjective, firm, exact, determined, usual) |
| satisfactory(important, powerful, effective) |
| self-assured(firm, commanding, self-confident, imposing) |
| severe(adjective, alert, serious, perceptive, authoritative) |
| sincere(good, strong, consistent, trustworthy, steadfast) |
| spunky(adjective, resolute, tenacious) |
| stern(adjective, resolute) |
| stiff(adjective, tenacious) |
| stony(adjective, tenacious) |
| sweeping |
| thorough(adjective, clear, complete, total, certain) |
| tireless(adjective, resolute, tenacious) |
| trenchant(adjective, important, powerful, definite, key) |
| trusting(adjective, certain) |
| unanswerable(adjective, definite, precise, sure, absolute) |