To think long and carefully, in bewilderment.
To perplex, confuse, or mystify; to cause (someone) to be faced with a mystery, without answers or an explanation.
To make intricate; to entangle.
Anything that is difficult to understand or make sense of.
A riddle.
The state of being puzzled; perplexity.
A game for one or more people that is more or less difficult to work out or complete.
A jigsaw puzzle.
A crossword puzzle.
To raise doubts about; have doubts about.
To ask a question or questions; inquire or seek to know; examine.
To ask questions of; to interrogate; to ask for information.
A subject or topic for consideration or investigation.
A sentence, phrase or word which asks for information, reply or response; an interrogative.
A proposal to a meeting as a topic for deliberation.
A doubt or challenge about the truth, accuracy, or validity of a matter.