[thaumasiotes]

When they say "English", they mean the language people call English today, not the language that was called "English" in the 17th century.

[judahmeek]

In that case, "fantasize", "dream", or "wish" are verbs that come to mind for believing a lie.

"You wish" is a common retort for making an untrustworthy claim of belief, especially of an unrealistically rewarding future.