When attending a conference, it's common to hear phrases like "take up" or "bring up" when referring to a topic or issue. If you're looking for synonyms for these phrases, there are several options to choose from.
One option is "address," which means to take up or deal with a matter. Another synonym is "discuss," meaning to talk about a particular topic or issue. You could also use "raise" or "propose," both of which convey the idea of introducing a topic for discussion.
In addition, "mention," "touch on," and "broach" are all options for referring to a particular topic during a conference. Overall, there are many viable synonyms for "take up in conference" depending on the specific context and the tone you want to convey.