fabricateEnglishOxford American Thesaurusfabricate verb 1 he was found to have fabricated research data: forge, falsify, fake, counterfeit, make up, invent. 2 he is guilty of fabricating a pack of lies: concoct, make up, contrive, think up, dream up, invent, manufacture, trump up; informal cook up. 3 you will have to fabricate an exhaust system: make, create, manufacture, produce; construct, build, assemble, put together, cobble together, form, fashion, contrive, model, shape, forge; erect, put up, set up, raise, elevate. ▷antonyms destroy, dismantle.