| procrastinate(verb, delay, examine, figure, review) |
| put on thinking cap(verb, expression, idiom, consider, examine) |
| puzzle over(verb, expression, consider, examine, deliberate) |
| reflect(verb, consider, examine, figure, deliberate) |
| review(verb, delay, examine, figure, deliberate) |
| revolve(verb, consider, examine, figure, deliberate) |
| ruminate(verb, consider, examine, figure, deliberate) |
| stew over(verb, expression, delay, examine, figure) |
| study |
| sweat over(verb, expression, delay, examine, figure) |
| think out(verb, expression, consider, examine, deliberate) |
| think over(verb, expression, consider, delay, examine) |
| trip out(verb, expression, concentrate, fabricate, speculate) |
| turn over(verb, expression, consider, delay, examine) |
| visualize(verb, imagine, daydream) |
| ad lib(verb, expression, concentrate, fabricate, speculate) |
| be engrossed in(verb, concentrate, fabricate, speculate, fantasize) |
| be inattentive(verb, dream, muse) |
| be inclined to think(verb, concentrate, fabricate, speculate, fantasize) |
| be lost in thought(verb, dream, muse) |