| ensure(verb, support, check, mark, maintain) |
| assure(verb, support, maintain, secure, establish) |
| guarantee(verb, support, secure, see, confirm) |
| make sure(verb, expression, support, check, maintain) |
| settle(verb, fix, clear, check, determine) |
| certify(verb, support, check, maintain, secure) |
| establish(verb, fix, clear, determine, complete) |
| confirm(verb, support, fix, clear, maintain) |
| determine(verb, fix, clear, check, complete) |
| fix(verb, clear, check, determine, complete) |
| insure(verb, support, maintain, secure, establish) |
| ascertain(verb, check, determine, discover, sure) |
| decide(verb, end, fix, clear, determine) |
| find out(verb, expression, phrasal verb, fix, check) |
| nail down(verb, expression, phrasal verb, fix, clear) |
| reassure(verb, support, maintain, secure, protect) |
| satisfy(verb, end, fix, clear, determine) |
| arrange(verb, end, fix, clear, determine) |
| catch on(verb, expression, phrasal verb, fix, check) |
| check(verb, determine, discover, confirm, prove) |