A "thin space" is a term used to describe a physical or metaphysical place where we feel a connection with the divine or spiritual realm. There are several synonyms for this term, such as "sacred space," "holy ground," "crossroad," "portal," "liminal space," and "veil."
"Sacred space" refers to a place that is set apart for spiritual or religious purposes, while "holy ground" is a place deemed to be holy due to a past event or associated with a particular deity. "Crossroad" refers to a place of decision or change. "Portal" is a gateway or entrance to another realm, while "liminal space" is a place of transition or transformation. Finally, "veil" connotes a barrier between worlds that can be crossed in a "thin space".