とく

to untie; to unfasten; to unwrap; to undo; to unbind; to unpack

to unsew; to unstitch

to solve; to work out; to answer

to dispel (misunderstanding, etc.); to clear up; to remove (suspicion); to appease

to dissolve (a contract); to cancel; to remove (a prohibition); to lift (a ban); to raise (a siege)

to release (from duty); to relieve; to dismiss

to comb (out); to card; to untangle (hair)