INTENTIONAL
intentional, knowing, deliberate
(adjective) characterized by conscious design or purpose; “intentional damage”; “a knowing act of fraud”; “a deliberate attempt to provoke a response”
designed, intentional, unintentional
(adjective) done or made or performed with purpose and intent; “style...is more than the deliberate and designed creation”- Havelock Ellis; “games designed for all ages”; “well-designed houses”
Source: WordNet® 3.1
Etymology
Adjective
intentional (comparative more intentional, superlative most intentional)
Intended or planned; done deliberately or voluntarily.
(legal) Done with intent.
Antonyms
• unintentional
Source: Wiktionary
In*ten"tion*al, a. Etym: [Cf. F. intentionnel.]
Definition: Done by intention or design; intended; designed; as, the act
was intentional, not accidental.
Source: Webster’s Unabridged Dictionary 1913 Edition