undeterred, unfazed, unperturbed, unbowed, unmoved, unruffled, unshaken, unconcerned, unworried, unimpressed, nonplussed, oblivious, unflustered, unsurprised, untroubled, resolute, unconvinced, unintimidated, awed, unafraid, flummoxed, undismayed, bemused, optimistic, steadfast, perplexed, wary, defiant, sanguine, daunting, skeptical, undiminished, unapologetic, perturbed, befuddled, undimmed, fearless, stunned, unaffected, astounded, dumfounded, faced, weary, tempered, indefatigable, stoical, unrelenting, dogged, puzzled, awestruck, impervious, enthusiastic, astonished, stoic, hopeful, hesitant, unrepentant, chastened, surmountable, unaware, eager, unmindful, apprehensive, confident, unflappable, unamused, brave, unenthusiastic, upbeat, indomitable, frustrated, incredulous, convinced, unnerved, mindful, gung ho, weathered, rejuvenated, adamant, leery, unyielding, unsettled, fazing, dauntless, stupefied, relentless, uncertain, exasperated, cautious, unchastened, amidst, nonchalant, dismissive, underwhelmed, imperturbable, herculean, unwavering, ecstatic, giddy, ambivalent, cocksure, cognizant, intrepid, unflinching, courageous, unshrinking, dejected, guileless, haughty, trustful, unfaltering, valiant, bravest