To put a thing facing to; to set in contrast to.
To set a thing side by side with; to compare.
To deal with.
To come up against; to encounter.
To stand or meet facing, especially in competition, hostility or defiance; to come face to face with
To engage in confrontation.
To bring someone face to face with something.
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.