Vedanā: 'feeling', sensation, is the 2nd of the 5 groups of existence see: khandha. According to its nature, it may be divided into 5 classes: 1 bodily pleasant feeling kāyikā sukhā-vedanā = sukha 2 bodily painful feeling kāyikā dukkhā-vedanā = dukkhā 3 mentally pleasant feeling cetasikā sukhā-vedanā = somanassa 4 mentally painful feeling cetasikā dukkhā-vedanā = domanassa 5 indifferent or neutral adukkha-m-asukhā vedanā = upekkha.