We don't have synonyms for satsang yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are sitsang and satang.
(n) :
(Indian philosophy) A company of pious people seeking truth, such as honorable companions or a guru who are listening to or reading scriptures, and reflection, discussion, application and meditation.
(n) :
(Indian philosophy) A company of pious people seeking truth, such as honorable companions or a guru who are listening to or reading scriptures, and reflection, discussion, application and meditation.