mistaken

Etymology
Morphologically.

Verb

 * I'm frequently mistaken for my brother.
 * I'm frequently mistaken for my brother.

Adjective

 * 1) Erroneous.
 * A mistaken sense of loyalty.
 * 1)  Having an incorrect belief.
 * I think you must be mistaken.
 * He admitted he was mistaken about the budget numbers.

Usage notes

 * The phrase (and variations) is used to indicate that one is uncertain about something one has said.

Collocations

 * mistaken identity
 * mistaken belief
 * mistaken notion
 * mistaken view
 * mistaken assumption
 * mistaken impression
 * mistaken idea
 * mistaken thinking
 * mistaken identification
 * mistaken diagnosis
 * mistaken interpretation
 * mistaken person
 * mistaken opinion
 * mistaken conclusion
 * mistaken judgment
 * mistaken conception
 * mistaken perception
 * mistaken theory
 * mistaken reading
 * mistaken concept