To understand wrongly; take or choose wrongly.
To be in error.
An error in action, judgment, perception, or impression; a blunder.
Mistakablee.
I made no mistake about that. – Foe-Farrell by Arthur Thomas Quiller-Couch
" You mistake, I think," said Piers. – The Crown of Life by George Gissing
He knew it perfectly now, exactly when, where, all about it; no room for mistake or doubt any more! – The Whirligig of Time by Wayland Wells Williams