Meaning of the Sanskrit Word: smayamana

  smayamāna—smiling    Adi 5.214, Madhya 8.81, Madhya 8.140
  smayamānā—smiling    SB 3.23.49
  smayamānā—smiling (because she was chaste)    SB 9.3.22

Can't find any compound Sanskrit words containing smayamana.