Sentence:  She wakened in sharp panic, bewildered by the grotesquerie of some half-remembered <WSD>dream</WSD> in contrast with the harshness of inclement fact, drowsily realising that since she had fallen asleep it had come on to rain smartly out of a shrouded sky. 
Meaning of the word marked with <WSD> tags:  Imaginary events seen in the mind while sleeping.