Value highly (8)
'value highly' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for treasure that I've seen before include "Prize highly" , "Valued possession, buried perhaps" , "someone valued" , "... story by R.L. Stevenson" , "R L Stevenson's island" .)
'value highly' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for esteem that I've seen before include "'Regard, respect (6)'" , "Favourable regard" , "Revere - prize" , "Revere(nce)" , "Consider" .)