1. 
   Kissing
   • (p. pr. & vb. n.) of Kiss
   Found op http://thinkexist.com/dictionary/meaning/kissing/
   
   
2. 
   kissing
   kiss, kissing 1. To touch with the lips as a sign of love, greeting, or respect. 2. To touch gently: 'There was a soft wind kissing the treetops.'
   Found op http://www.wordinfo.info/words/index/info/view_unit/1639/
   
   
3. 
   Kissing
   Kissing is mouth contact with slightly pursed lips. Kissing and being kissed is pleasant partly because it triggers subconscious memories and instincts of early childhood, of feeding at the mother's breast and of feeding babies.
   Found op http://www.probertencyclopaedia.com/browse/AK.HTM
   
   
4. 
   kissing
   1) Arousal 2) Caressing 3) Cuddling 4) Fondling 5) Foreplay 6) Hugging 7) Necking 8) Petting 9) Smooching 10) Snuggling 11) Stimulation
   Found op http://www.mijnwoordenboek.nl/EN/crossword-dictionary/kissing/1
   
   

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