restrained
adj 1: cool and formal in manner [syn: {reserved}, {reticent}, {unemotional}]
2: under restraint [ant: {unrestrained}]
3: marked by avoidance of extravagance or extremes; "moderate
in his demands"; "restrained in his response" [syn: {moderate}]
4: not showy or obtrusive; "clothes in quiet good taste" [syn:
{quiet}]
5: free from ostentation or pretension; "the restrained
elegance of the room" [syn: {modest}, {unostentatious}]
6: prudent; "guarded optimism" [syn: {guarded}]
Source: WordNet® 2.0