put your thinking cap on
to think seriously about something:
I need some interesting suggestions so if you can put your thinking cap on I'd be grateful.
Thesaurus: synonyms and related words
Thinking and contemplating
- -ly
- agonize over/about sth
- chew
- chew sth over
- chew the cud idiom
- chew your cud idiom
- depth
- joined-up thinking
- lateral thinking
- let me see/let's see idiom
- let's see idiom
- puzzle
- rack
- reflect
- the thought crosses sb's mind idiom
- think sth out
- think sth over
- think sth through
- thinking
- worry
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