| inexorable(adjective, certain, resolute, persistent, obvious) |
| naturally(adverb, assent, yes) |
| necessary(certain, definite, obvious, expected, unquestionable) |
| persuaded(verb, adjective, certain, definite, unquestionable) |
| predetermined |
| protected(adjective, certain, definite, safe, safety) |
| self-assured(adjective, strong, firm, certain, definite) |
| sure enough(expression, idiom, adverb, belief, certainty) |
| surefire(adjective, solid, certain, definite, constant) |
| tried and true(expression, adjective, idiom, close, strong) |
| uncompromising(adjective, certain, definite, fixed, rigid) |
| unconditional(adjective, complete, total, definite, absolute) |
| unhesitating(belief, certain, guaranteed) |
| unquestioning(adjective, set, clear, warm, firm) |
| unswerving(adjective, close, set, strong, tough) |
| unvarying(adjective, calm, strong, secure, firm) |
| well-founded(adjective, calm, strong, reasonable, sensible) |
| absolutely(adverb, just, really, positively, easily) |
| affirmative(adjective, clear, certain, yes, affirmative) |
| all right(expression, idiom, adverb, interjection, right) |