| be certain(expression, certain, sure, assure, confident) |
| be assured(expression, certain, sure, assure) |
| take for granted(expression, idiom, hold, accept, consider) |
| restassured(adjective, certain, sure, assure) |
| be entirely sure(expression, certain, sure, assure) |
| have no doubt(expression, idiom, hold, accept, consider) |
| know for certain(expression, idiom, true, sure, assure) |
| have no misgivings(expression, idiom, confidence, sure, assure) |
| be certain of(verb, hold, accept, consider, regard) |
| doubt not(expression, certain, confidence, sure) |
| trust(verb, hold, accept, consider, regard) |
| be confident(expression, certain, sure, assure) |
| be sure(expression, certain, sure, assure) |
| feel sure(expression, certain, confidence, sure) |
| give credence to(verb, expression, idiom, hold, accept) |
| have complete confidence(expression, certain, sure, confident) |
| have confidence(expression, certain, confidence, sure) |
| have guarantee(expression, assure, economics, warranty) |
| make no doubt about it(expression, certain, sure, assure) |
| no need to worry(expression, certain, trust, assure) |