What is another word for following up on?
Pronunciation: [fˈɒlə͡ʊɪŋ ˌʌp ˈɒn] (IPA) 
The term "following up on" can be used to indicate a range of different communication activities, from checking on the status of a project to reconnecting with colleagues after a period of time. Some alternative phrases could be "touching base," "checking in," "pursuing," "probing," or "chasing." Each of these phrases connotes a slightly different approach to the task of keeping in communication with others. For example, "touching base" may suggest a more casual, low-key conversation, while "chasing" could indicate a more assertive or persistent approach. No matter what phrase one chooses, the key is to maintain and foster effective communication for successful outcomes.
