Appropriate, girl getting kiss (5)
I believe the answer is:
annex
'appropriate' is the definition.
(annexing is a kind of appropriating)
'girl getting kiss' is the wordplay.
'girl' becomes 'anne' (girl's name).
'getting' says to put letters next to each other.
'kiss' becomes 'x' (X can represent a kiss).
'anne'+'x'='ANNEX'
(Other definitions for annex that I've seen before include "Append" , "Take by force" , "Add as an extra part" , "Grab" , "Attach after conquest" .)