When it comes to discussing "matters in hand", there are an array of synonyms that can be used to describe topics or issues that require attention. Some examples include "current concerns", "pending affairs", "urgent business", "pressing matters" and "important tasks". Additionally, phrases such as "critical issues", "vital priorities", "significant challenges" or "key responsibilities" can also be employed as synonyms to convey the importance and urgency of these matters. Whatever the phrasing used, it is clear that taking care of "matters in hand" is crucial to success in many aspects of life.