Reserved

a.	1.	Kept for future or special use, or for an exigency; as, reserved troops; a reserved seat in a theater.
	2.	Restrained from freedom in words or actions; backward, or cautious, in communicating one's thoughts and feelings; not free or frank. To all obliging, yet reserved to all. - Walsh. Nothing reserved or sullen was to see. - Dryden.

Adj.	1.	reserved - set aside for the use of a particular person or party Antonyms: unreserved - not reserved
	2.	reserved - marked by self-restraint and reticence; "was habitually reserved in speech, withholding her opinion"-Victoria Sackville-West Antonyms: unreserved - not cautious or reticent; "unreserved behavior"
	3.	reserved - cool and formal in manner Synonyms: restrained, reticent, unemotional

Olympian, Spartan, abbreviated, abridged, antisocial, aposiopestic, backward, blank, brief, brusque, ceremonious, chilled, chilly, clipped, close, close-lipped, close-tongued, closemouthed, cold, compact, compendious, compressed, concise, condensed, conserved, constrained, contracted, controlled, conventional, cool, crisp, curt, cut, demure, detached, diffident, dignified, discreet, distant, docked, elliptic, epigrammatic, expressionless, forbidding, formal, frigid, frosty, gnomic, guarded, held, held back, held in reserve, ice-cold, icy, impassive, impersonal, inaccessible, incommunicable, introverted, kept, laconic, modest, modified, noncommittal, offish, pithy, pointed, poker-faced, preserved, prim, pruned, put by, quiet, remote, removed, repressed, retained, reticent, retiring, rigid, saved, sedate, sententious, short, short and sweet, shortened, shrinking, shy, silent, spare, standoff, standoffish, strait-laced, subdued, succinct, summary, suppressed, synopsized, taciturn, terse, tight, tight-lipped, tights, to the point, truncated, unaffable, unapproachable, uncommunicative, uncongenial, undemonstrative, unemotional, unexpansive, ungenial, unresponsive, unsocial, withdrawn, withheld