Learn how to say Fraternally correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word fraternal:
1of or like a brother or brothers:
his lack of fraternal feeling shocked me
of or denoting an organization for people, especially men, that have common interests or beliefs:
a network of political clubs and fraternal organizations
2(of twins) developed from separate ova and therefore genetically distinct and not necessarily of the same sex or more similar than other siblings. Compare with identical (sense 1).
late Middle English: from medieval Latin fraternalis, from Latin fraternus, from frater ‘brother’