WordNet sense 1 (a clear or unobstructed space or expanse of land or water):

open

WordNet sense 2 (become clear):

brighten, clear up, light up

WordNet sense 3 (not beset by troubles or disturbance or distress):

untroubled

WordNet sense 4 (go unchallenged; be approved):

pass

WordNet sense 5 (make as a net profit):

sack, sack up

WordNet sense 6 (earn on some commercial or business transaction; earn as salary or wages):

earn, gain, make, realize, realise, bring in, pull in, take in

WordNet sense 7 (pass by, over, or under without making contact):

top

WordNet sense 8 (free of restrictions or qualifications):

clean

WordNet sense 9 ((of sound or color) free from anything that dulls or dims):

light

WordNet sense 10 (free of extraneous elements of any kind):

pure

WordNet sense 11 (being complete of its kind and without defect or blemish):

perfect, perfect

WordNet sense 12 (free from impediment or obstruction or hindrance):

unobstructed

WordNet sense 13 (remaining after all deductions):

net, nett

WordNet sense 14 (easily deciphered):

decipherable, readable

WordNet sense 15 (freed from any question of guilt):

exonerated, exculpated, absolved, cleared, vindicated

WordNet sense 16 (free from evil or guilt):

innocent, clean-handed

WordNet sense 17 (able to act at will; not hampered; not under compulsion or restraint):

free

WordNet sense 18 ((especially of a title) free from any encumbrance or limitation that presents a question of fact or law):

unmortgaged

WordNet sense 19 (free of encumbrance):

unencumbered

WordNet sense 20 (pronounce not guilty of criminal charges):

acquit, discharge, exculpate, exonerate, assoil, discharge

WordNet sense 21 (characterized by ease and quickness in perceiving):

percipient

WordNet sense 22 (having or revealing keen insight and good judgment):

discerning

WordNet sense 23 (grant authorization or clearance for):

authorize, authorise

WordNet sense 24 (settle, as of a debt):

solve

WordNet sense 25 (accurately stated or described):

well-defined

WordNet sense 26 (make free from confusion or ambiguity; make clear):

crystallize, elucidate, enlighten, illuminate, crystalise, crystalize, crystallise, straighten out, shed light on, sort out

WordNet sense 27 (clear and distinct to the senses; easily perceptible):

clean-cut

WordNet sense 28 (easy to perceive; especially clearly outlined):

distinct

WordNet sense 29 (completely clear and fine):

serene

WordNet sense 30 (free of clouds or rain):

fair

WordNet sense 31 (free from clouds):

cloudless, unclouded

WordNet sense 32 (abounding with sunlight):

bright, shining, shiny, sunny, sunshiny

WordNet sense 33 (not mentally confused; able to think clearly and act intelligently):

clearheaded, clear-thinking

WordNet sense 34 (almost transparent; allowing light to pass through diffusely):

translucent

WordNet sense 35 (clear and bright):

limpid, liquid

WordNet sense 36 (transmitting light; able to be seen through with clarity):

crystalline, lucid, pellucid, transparent

WordNet sense 37 (having the clarity and freshness of immediate experience):

vivid

WordNet sense 38 ((of language) transparently clear; easily understandable):

luculent, perspicuous

WordNet sense 39 (clearly or sharply defined to the mind):

clear-cut, trenchant

WordNet sense 40 (completely):

all the way

WordNet sense 41 (in an easily perceptible manner):

clearly

WordNet sense 42 (rid of obstructions):

unclutter

WordNet sense 43 (free from physical or moral spots or stains):

unblemished