Asadha is a Sanskrit word used in Hinduism to describe the fourth month of the lunar calendar. It is an auspicious month for many Hindus as it marks the beginning of the monsoon season and the start of many important festivals and religious events. Some synonyms for Asadha include Ashadha, Aadi, Adi, and Adhik Maas. These names are used in different regions of India to describe the same month and are often interchangeable. In addition to its significance in Hinduism, Asadha is also an important month in the lunar calendar of some Buddhist and Jain traditions.