Noun : a fraternity brother. ,All men are brothers. ,Brother, can you spare a dime?.    From Dictionary.com. 

He is like a mentor character to Twitch, acting as such in addition to brotherlike character as well.    From Wordnik.com.  [Superhero Nation: how to write superhero novels and comic books » Burnsauce Johnson’s Review Forum] Reference

But the chorus harmonies were close and brotherlike, sweet enough in themselves to make partial headway against the song's otherwise gloom.    From Wordnik.com.  [Cold Mountain]

Schiller's tone and behaviour to his Sisters is always beautifully human and brotherlike, as here.    From Wordnik.com.  [The Life of Friedrich Schiller Comprehending an Examination of His Works] Reference

"Pardon me, Tom," said Kenelm softened, and laying his hand on his friend's shoulder with brotherlike tenderness.    From Wordnik.com.  [Kenelm Chillingly — Complete] Reference

By a conduct honorable toward the Greeks, pious to the gods, brotherlike among themselves, they justly attained a high prosperity.    From Wordnik.com.  [The Olynthiacs and the Phillippics of Demosthenes Literally translated with notes] Reference

Oak-crowns shower down from windows; President Vergniaud walks there, with Convention, with Jacobin Society, and all Patriots of every colour, all mourning brotherlike.    From Wordnik.com.  [The French Revolution] Reference

"Well, man, I think not the worse of you for loyal love to your thegn, but there are those who would do so, and I advise you, brotherlike, that ears and nose are in peril if thou talkest thus indiscreetly.".    From Wordnik.com.  [Harold : the Last of the Saxon Kings — Complete] Reference

A living garden spotted and dotted with such flowerage; all colours of the prism; the beautifullest blent friendly with the usefullest; all growing and working brotherlike there, under one warm feeling, were it but for days; once and no second time!.    From Wordnik.com.  [The French Revolution] Reference

Welcome, good Clarence; this is brotherlike.    From Wordnik.com.  [The Third Part of King Henry VI] Reference

And join thy brother, brotherlike, below. ".    From Wordnik.com.  [The Aeneid of Virgil Translated into English Verse by E. Fairfax Taylor] Reference