answer
bottom
clarify
clear up
crack
debug
decipher
decode
disembroil
disentangle
disintricate
disinvolve
divine
do
dope
dope out
explain
fathom
figure out
find out
find the answer
find the solution
get
get right
guess
guess right
have it
hit it
interpret
make out
open the lock
plumb
psych
psych out
puzzle out
ravel
ravel out
resolve
riddle
solve
sort out
unbraid
unclutter
uncoil
undo
unfold
unknot
unlock
unmix
straighten
straighten out
unweaving