The title acharya carries two distinct weights across Hindu tradition, and both remain in active use. At its most historically significant, acharya names the founders of major philosophical schools of Vedanta whose systematic interpretations of scripture still define distinct theological positions studied and debated today, most notably Adi Shankara, associated with the nondualist Advaita school, Ramanuja, associated with the qualified nondualist Vishishtadvaita school, and Madhva, associated with the strictly dualist Dvaita school, each of whom is remembered as much for founding an enduring interpretive tradition as for personal teaching.
In much more everyday use, acharya also appears simply as an honorific suffix attached to a contemporary teacher's name, a pattern visible across many modern Hindu organizations, yoga institutions, and teaching lineages, where it signals recognized authority to instruct without claiming anything like the historical stature of the school founding acharyas. The same honorific pattern also appears in Jain and Buddhist contexts influenced by shared South Asian religious vocabulary, where acharya likewise denotes a senior teacher's authority to guide students and, in some Jain monastic lineages, to lead an ascetic order, showing the title's reach well beyond Hindu tradition alone.