Sentence:  The moſt ſecure, happy, <WSD>Ioviall</WSD> & merry in the worlds eſteeme, are Princes & great men, free from melancholy, but for their cares, miſeries, ſuſpicions, Iealoſies, diſcontents, folly, & madneſſe, I referre you to "w:Xenophon 
Meaning of the word marked with <WSD> tags:  Cheerful and good-humoured; jolly, merry.