/ ɪnˈtenʃənl; NAmE / adjective
done deliberately
SYN deliberate , intended :
I'm sorry I left you off the list—it wasn't intentional.
OPP unintentional
► in·ten·tion·al·ly / -ʃənəli; NAmE / adverb :
She would never intentionally hurt anyone.
I kept my statement intentionally vague.
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WORD ORIGIN
mid 16th cent. (in the sense existing only in intention ): from French intentionnel or medieval Latin intentionalis , from Latin intentio(n-) , from intendere intend, extend, direct, from in- towards + tendere stretch, tend.