Introduction:
The new dynasties that emerged throughout history employed various strategies to gain acceptance and establish their legitimacy. These dynasties faced the challenge of convincing the existing power structures and the general population of their right to rule. In this response, we will delve into the details of how these new dynasties managed to achieve acceptance.

1. Consolidation of Power:
The first step for new dynasties was to consolidate their power within their own territories. They would often engage in military campaigns to conquer and subjugate rival factions or regions. By successfully asserting their dominance, they demonstrated their ability to maintain control and provided a foundation for their claims to legitimacy.

2. Adoption of Existing Institutions:
To gain acceptance, new dynasties would often adopt and adapt existing institutions and administrative systems. This allowed them to maintain continuity, as well as provide a sense of familiarity and stability to the population. By preserving these institutions, the new rulers were able to present themselves as legitimate successors to the previous regime.

3. Marriage Alliances:
Strategic marriage alliances played a crucial role in gaining acceptance for new dynasties. By marrying into established ruling families, they could forge connections, secure alliances, and legitimize their rule through blood ties. This practice helped to build trust and acceptance among powerful families and their subjects.

4. Patronage and Rewards:
New dynasties often sought to win the support of influential individuals and groups by offering patronage and rewards. This could involve granting titles, land, or positions of power to those who demonstrated loyalty. By distributing wealth and power, they could gain the support of key figures within society, ensuring their acceptance and stability.

5. Propaganda and Ideological Justification:
To win over the general population, new dynasties would employ various propaganda techniques and ideological justifications. They would emphasize their divine right to rule or promote a specific ideology that resonated with the people. This helped create a narrative that justified their ascent to power and garnered support from the masses.

Conclusion:
In summary, new dynasties sought acceptance by consolidating their power, adopting existing institutions, forming marriage alliances, offering patronage, and employing propaganda and ideological justifications. These strategies aimed to establish their legitimacy and gain the trust and support of both the ruling elite and the general population. By effectively implementing these methods, new dynasties could secure their position and ensure the stability of their rule.

To gain acceptance, the new dynasties took on new titles, performed religious rituals which would make them part of the kshatriya and engaged in warfare to assert there power and carve kingdoms for themselves.