| irrefutable(adjective, solid, certain, sure, confident) |
| make bail(verb, expression, support, maintain, incite) |
| make certain(verb, expression, support, determine, confirm) |
| make sure(verb, expression, support, determine, confirm) |
| nailed down(verb, expression, adjective, solid, certain) |
| on ice(expression, adjective, solid, certain, sure) |
| pick up the check(verb, expression, idiom, support, maintain) |
| pick up the tab(verb, expression, idiom, support, maintain) |
| pronounced(adjective, set, solid, certain, sure) |
| racked(adjective, set, solid, certain, sure) |
| sealed(adjective, set, solid, certain, sure) |
| secure(verb, adjective, set, solid, certain) |
| set(adjective, solid, certain, sure, confident) |
| settled(adjective, set, solid, certain, sure) |
| sewed up(expression, adjective, set, solid, certain) |
| sign for(verb, expression, phrasal verb, support, maintain) |
| stand behind(verb, expression, phrasal verb, support, maintain) |
| stand up for(verb, expression, idiom, phrasal verb, support) |
| sure(adjective, solid, certain, definite, confident) |
| surefire(adjective, set, solid, certain, sure) |