unpertubed

adj

calm, steady, composed, peaceful, tranquil, serene, pacific; unruffled, unflustered, undisturbed, unstirred, unexcited, unagitated; imperturbable, unexcitable, Sl. unflappable; cool, cool-headed, Inf. cool as a cucumber; possessed, controlled, in control, unimpassioned; level-headed, poised, balanced, stable, reasonable; even-tempered, placid, untroubled, Inf. hang-loose; impassive, staid, stoical, sedate, philosophical, solemn, serious.