instantially

In an instantial way, as:

Near-synonym: ad hoc

The grammar takes a long view; it carries its own history along with it, both systemically (in the evolving of the language) and instantially (in the unfolding of a text).

In an instantial way, as:

Have you tried using perform_now just for the sake of testing? It's equivalent to perform_later, but instead of enqueuing, it runs instantially.