Godan verb with 'ru' ending, Intransitive verb
to be soaked in; to be flooded; to be submerged
私はその場の幸福な雰囲気に浸っていた。I was immersed in the happy atmosphere of the occasion. to be immersed in (joy, memories, alcohol, etc.); to give oneself over to; to bask in
Also written 漬る【ひたる】