IPA: /ˈbreɪnɪli/
KK: /ˈbrenəli/
In a way that shows intelligence or cleverness.
She solved the puzzle brainily, impressing everyone with her quick thinking.
Brainily → It is formed from "brain" (from Old English "brægen", meaning the organ of thought) and "-ly" (meaning in a manner of). The word "brainily" means in a manner that relates to the brain or intellect.
Think of the word 'brain' and remember that 'brainily' means doing something in a way that relates to thinking or intellect.