| weighty(adjective, powerful, significant, substantial, serious) |
| bound(adjective, set, determined, deep, fixed) |
| complete(adjective, clear, total, exact, certain) |
| constant(adjective, good, strong, honest, solid) |
| dedicated(adjective, set, determined, resolute) |
| dogged(adjective, determined, serious, resolute, persistent) |
| effectual(adjective, tough, important, powerful, effective) |
| essential(adjective, severe, big, important, significant) |
| faithful(adjective, good, strong, resolute, consistent) |
| imperious(adjective, definite) |
| incontestable(adjective, clear, plain, certain, sure) |
| indubitable(adjective, clear, plain, certain, full) |
| key(adjective, important, significant, essential, critical) |
| life-changing |
| necessary(adjective, big, important, substantial, valuable) |
| out-and-out(clear, certain, full, definite, sure) |
| outright(clear, total, certain, full, sure) |
| satisfying(important, powerful, effective) |
| specific(clear, certain, precise, sure, final) |
| staunch(adjective, good, strong, solid, determined) |