to hide something; keep information secret

hide, disguise

to start and organize (something); to settle, place, (a person or oneself) (in a position, place etc)

set up, organize

of hide

conceal; remain unseen

a hidden place where wild animals, birds etc may be observed, e.g. by photographers; (an) animal's skin

conceal; remain unseen

to place (a person) in a new position of authority with the usual ceremony; to place, fix, (apparatus) in position for use

set up, establish

of sit

rest on one's behind

to produce (a liquid) by secretion

hide

to be in, take, a position with one's body upright and one's bottom resting on the ground, a seat etc

rest on one's behind