alright

agreeable, all right, copacetic (also copasetic), ducky, fine, good, hunky-dory, OK (or okay), palatable, satisfactory

all right, safe, secure

acceptably, adequately, all right, creditably, decently, fine, good, middlingly, nicely, OK (or okay), passably, respectably, satisfactorily, serviceably, so-so, sufficiently, tolerably, well

all right, aye (also ay), exactly, OK (or okay), okeydoke (or okeydokey), yea, yeah, yep, yes, yo

all right, assuredly, certainly, clearly, definitely, doubtless, easily, hands down, inarguably, incontestably, incontrovertibly, indeed, indisputably, plainly, really, so, sure, surely, truly, unarguably, undeniably, undoubtedly, unquestionably