| hash over(verb, expression, phrasal verb, consider, mind) |
| hatch |
| have(resolve, crack, answer) |
| hit(fix, resolve, crack, answer) |
| hit the books(verb, expression, idiom, study, consider) |
| hit upon(expression, fix, resolve, crack, answer) |
| illuminate(fix, resolve, crack, answer) |
| improvise |
| infer(verb, order, get, determine, secure) |
| inquire(verb, study, consider, mind, examine) |
| interpret(order, resolve, crack, answer, decipher) |
| invent |
| iron out(expression, fix, resolve, crack, answer) |
| learn(verb, study, consider, mind, examine) |
| learn the ropes(verb, expression, idiom, study, consider) |
| lick(fix, resolve, crack, answer) |
| lucubrate(verb, study, consider, mind, examine) |
| make a dent(expression, idiom, fix, resolve, crack) |
| make do |
| make heads or tails of(expression, idiom, order, determine, settle) |