1) Advisedly 2) By choice 3) By design 4) Deliberately 5) Designedly 6) In an intentional manner 7) Intentionally 8) Not by accident 9) On purpose 10) With intention Found on https://www.crosswordclues.com/clue/purposely
Pur'pose·ly adverb With purpose or design; intentionally; with predetermination; designedly. « In composing this discourse, I purposely declined all offensive and displeasing truths.» Atterbury. « So much they scorn the crowd, that if the throng By chance go right, th... Found on http://www.encyclo.co.uk/webster/P/198
intentionally; deliberately: He tripped me purposely. · with the particular purpose specified; expressly: I wore that suit purposely to make a good impression. Found on https://www.infoplease.com/dictionary/purposely