If you are bemused by something, you are confused or bewildered by it, and often also somewhat amused.

// The contestant seemed somewhat bemused by the question, but gave the correct answer.

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“The duck touched down on the surface of Raymond James Stadium just minutes before the Bucs scored their own touchdown. ... Many of the staff not assigned to work on the field were bemused by the sight of Anchor carrying a duck out of the stadium. They held cellphones and took pictures.” — Rick Stroud, The Tampa Bay (Florida) Times, 1 Jan. 2025

In 1735, British poet Alexander Pope lamented, in rhyme, being besieged by “a parson much bemus’d in beer.” The cleric in question was apparently one of a horde of would-be poets who pestered Pope with requests that he read their verses. Pope meant that the parson had found his muse—his inspiration—in beer. That use of bemused harks back to a 1705 letter in which Pope wrote of “Poets … irrecoverably Be-mus’d.” In both letter and poem, Pope used bemused to allude to being inspired by or devoted to one of the Muses, the Greek sister goddesses of art, music, and literature. The lexicographers who followed him, however, interpreted “bemus’d in beer” as meaning “left confused by beer,” and their confusion gave rise to the “bewilder” sense of bemuse. The newer (and very common) use of bemuse to mean “to cause to have feelings of wry or tolerant amusement” is a topic of some dispute, as discussed here.