| assured(verb, adjective, clear, simple, plain) |
| secured(verb, adjective, secure, firm, certain) |
| certain(adjective, definite, fixed, sure, positive) |
| warranted(verb, adjective, firm, certain, definite) |
| bonded(verb, adjective) |
| ensured(verb, adjective, set, solid, certain) |
| pledged(verb, adjective, promised) |
| insured(verb, adjective, set, solid, certain) |
| sure(adjective, clear, hard, sound, firm) |
| certified(verb, adjective) |
| decided(adjective, set, solid, certain, definite) |
| definite(adjective, clear, firm, solid, certain) |
| promised(verb, adjective, promised) |
| foolproof(adjective, infallible) |
| safeguarded(verb, adjective, secure, guarded, sheltered) |
| affirmed(verb, adjective) |
| ascertained |
| clear(simple, plain, certain, straightforward, obvious) |
| countersigned(verb, adjective) |
| dependable(adjective, set, solid, certain, sure) |