| hammer(verb, settle, establish, think) |
| hammer away at(expression, idiom, settle, establish) |
| head trip(expression, settle, establish, think) |
| knuckle down(expression, meet, direct, settle, establish) |
| meditate(verb, settle, establish, think) |
| muse(verb, settle, establish, think) |
| need(verb, settle, establish, think) |
| occupy thoughts(expression, settle, establish, think) |
| peruse(verb, settle, establish, think) |
| ponder(verb, settle, establish, think) |
| pour it on(expression, idiom, meet, direct, settle) |
| put mind to(expression, idiom, settle, establish) |
| ruminate(verb, settle, establish, think) |
| scrutinize(verb, settle, establish, think) |
| sweat(verb, meet, direct, settle, establish) |
| think hard(expression, settle, establish, think) |
| weigh(verb, settle, establish, think) |
| adjust(meet, direct, concentrate, focus) |
| apply(verb, settle, establish, think) |
| attract(meet, direct, concentrate, focus) |