clear; distinct; to understand thoroughly; to be clear about

to clear up; to tidy up; to dispose of

clear-headed; sober; awake

to clear away; to eliminate; to get rid of

pure; innocent

to see clearly

clear (of liquid); limpid; to clarify; to make sth clear; to be clear (about the facts)

to settle (of liquid); to become clear (by precipitation of impurities); precipitate (chemistry); to put in order; to quell disturbances

to pay back in full; to redeem a debt

not able to see clearly