socialize

when it refers to concepts, instead of people or parties - for example

I like your idea, but it's radical. I'll need to socialize it with my team.

arguably

arguably the most overused adverb since Noam Chomsky was described in Manufacturing Dissent as

Arguably the most important intellectual alive.

deal

used as a verb when cards are not involved, as in

You're right, he's being a jerk, but you've gotta learn to deal.
Everything's gone wrong. I just can't deal.

ask

when used as a noun, for example

My ask for you is...
What is the ask here?

that being said

and every variant of it, such as

having said that
that said