Broach (verb)

1. To bring up or introduce (a topic) for discussion or consideration.
2. To make an opening in something, especially to draw liquid from a container or to make a hole in metal.

Origin:

From the old french word "brocher" meaning to prick, pierce or to make a hole.

Examples:

1. I didn't want to broach the subject of politics at dinner.
2. It was a sensitive topic and she was hesitant to broach it.
3. He broached the cask to get the wine out.
4. The jeweler broached the setting to fit the stone.
5. The company broached the idea of a merger with the other firm.