| importunate |
| in the bag(expression, expected, predictable, necessary, inexorable) |
| incumbent on(expression, adjective, significant, essential, basic) |
| ineluctable(obvious, expected, predictable, necessary, inexorable) |
| ineludible(obvious, expected, predictable, necessary, inexorable) |
| inflexible(affected, expected, necessary, strained, unnatural) |
| irresistible(expected, predictable, necessary, inexorable, undeniable) |
| mandated |
| manifest(sound, certain, true, definite, obvious) |
| name of game(expression, adjective, idiom, significant, essential) |
| no ifs ands or buts(expression, expected, predictable, necessary, inexorable) |
| nonelective |
| obvious(adjective, certain, definite, unquestionable, indisputable) |
| of the essence(expression, adjective, idiom, important, essential) |
| open and shut(expression, idiom, sound, certain, true) |
| ordained(expected, predictable, necessary, inexorable, undeniable) |
| pat(expected, predictable, necessary, inexorable, undeniable) |
| payable |
| prescribed(adjective, expected, predictable, necessary, inexorable) |
| prescript |