Green’s Dictionary of Slang

right enough phr.

indeed, certainly.

Maidstone Jrnl 30 Sept. 6/6: He might have had a drop to drink, but he could walk home right enough.
[UK] in G.D. Atkin House Scraps 140: ‘Right enough’ was the retort.
[UK]F.W. Carew Autobiog. of a Gipsey 417: And shoful it were, right enough, hevery bloomin’ hounce.
[UK]Boy’s Own Paper 29 Dec. 198: We’re locked in, right enough.
[Aus]Bulletin (Sydney) 21 July 43/2: It’s ole Jerry, right enuff; that were ’is ugly mug. S’welp me, ’e’s gorn looney!
[UK]O. Onions Peace in Our Time 200: You’re on velvet right enough!
[UK]J. Curtis There Ain’t No Justice 176: It’s right enough.
[UK]G.W. Target Teachers (1962) 67: It’s some of ours right enough, don’t you worry.
[Scot](con. mid-1960s) J. Patrick Glasgow Gang Observed 76: The fittest boay Ah’ve ever saw – jist oot o’Polmont, right enough.
[Scot]I. Rankin Fleshmarket Close (2005) 115: ‘Right enough, Matty,’ the barman said.

In phrases

that’s right enough

that’s satisfactory, within its limits, as far as you may be concerned (but not me).

Dundee People’s Jrnl 18 Feb. 2/4: ‘Oh well, that’s right enough [...] this is rather a good thing that has turned up for me’.
[US]Salt Lake Herald (UT) 25 Mar. 6/7: First Tramp— ‘I’m a red ’ot socialist, I am; I believe in sharin’ alike’ Second Ditto— ‘Yus, that’s right enough [...] ’Ave yer got a bit o’ baccy about yer, Sam?’.
[UK]Derby Dly Teleg. 13 Aug. 5/2: He replied, ‘That’s right enough,’ when he was charged.