* Passage: This refers to the act of passing or moving from one place to another, or a route or path.
* Passing: This is the noun form of the verb "to pass," referring to the act of passing something or someone by.
* Permission: This is a more specific abstract noun referring to the act of allowing something to happen.
* Success: This can be used in some contexts where "pass" refers to achieving a goal or overcoming an obstacle.
The best abstract noun for "pass" will depend on the specific meaning in the context.