restrained

definition: prudent
example:
speech part: adjective
synonyms: guarded
definition: cool and formal in manner
example:
speech part: adjective
synonyms: reticent
definition: not showy or obtrusive
example:
speech part: adjective
synonyms: quiet
definition: under restraint
example:
speech part: adjective
synonyms:
definition: marked by avoidance of extravagance or extremes
example:
speech part: adjective
synonyms: moderate

How restrained is being used?