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