[UK and ANZ] usually -ise [verb] [I]If you sympathize with someone who has a problem, you listen to them and show them that you understand and you care.I was just sympathizing with Susie over her mother-in-law troubles.I know what it's like to have migraines, so I do sympathize (with you).
SYMPATHIZE
Meaning of SYMPATHIZE in English
Cambridge English vocab. Кембриджский английский словарь. 2012