To furnish with organs; to give an organic structure to; to endow with capacity for the functions of life
To arrange in working order.
To constitute in parts, each having a special function, act, office, or relation; to systematize.
To sing in parts.
To band together into a group or union that can bargain and act collectively; to unionize.
To make intricate; to entangle.
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.
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.