Put On Your Thinking Cap idiom informal
To take time to think and consider something thoughtfully and seriously
If you put on your thinking cap, you will soon find the answer.
Let's put on your thinking cap and give the matter some serious thought.
Is the result worth the effort we have to put into it?
To take something into consideration in a thorough way
1. If you say enough bad things about someone, some of them will be believed.
2. Try many different ways or ideas, some of them will work.
Put on your thinking cap. (Image Source: Pinterest)
'A thinking cap' was previously a variant of the idiom 'a considering cap'. That term has gone entirely out of use now but was known since at least the early 17th century, such as in Robert Armin's Foole upon foole, 1605:
"The Cobler puts off his considering cap, why sir, sayes he, I sent them home but now."
A humorous way of saying that what one has said is just what they acknowledge and may not be entirely accurate
Mike: Have you returned from your vacation on the beach? Your skin seems to get tanned.
Jenny: My skin is always dark. That's my story and I'm sticking to it!