Pad of paper (6)
I believe the answer is:
tablet
'pad of paper' is the definition.
(synonyms)
This is the entire clue.
(Other definitions for tablet that I've seen before include "Small bar of soap" , "A small pill or an inscribed panel on wall" , "Pill; writing pad" , "Flat slab (of stone, etc)" , "Stone slab; pill" .)