(n.) creative idea; thoughts; a well thought out idea; a solution to a problem; (adjective) to describe someone who is good at thinking up ideas or solutions; to describe someone who has plans and ambition; to describe someone with big ideas; to describe something (such as an opportunity) that is worth considering

the heart thinks

a thought (spoken)

think it through; understood (spoken)

to think of [colloquial]

thinking again or deeply (spoken)

thinking (spoken)

to recall; to think back [colloquial]

thinking back (spoken)

worth considering (spoken)

to think out; to think through

(verb) rack one's brains; spend great effort thinking about

full of useless or impractical ideas (spoken)

to be unable to cope; to be unable to deal with something [colloquial]

(phrasal verb, with a negative connotation) to come up with some ideas

something which is worth considering; being generous and considerate towards others

to be serious; to think about something clearly; after careful consideration

to have a stubborn mindset on something [colloquial]

to think back

brainstorm; come up with a solution or plan (spoken)

(verb) think; think of;

think about this and that; to ponder