Necessitudes are the basic needs or necessities of life. Some synonyms for this word could include requirements, essentials, must-haves, vitalities, and imperatives. These words all imply a sense of urgency and necessity, as they refer to things that are essential for survival or well-being. Other possible synonyms for necessitudes might include necessities, fundamental needs, basic provisions, or indispensable conditions. It is important to recognize the importance and gravity of these types of words and concepts, as they represent the most fundamental aspects of our lives and our very existence.