vamp up

to create or think of by clever use of the imagination political spin doctors who can vamp up a justification for just about anything Synonyms concoct, construct, contrive, cook (up), devise, drum up, excogitate, fabricate, make up, manufacture, think (up), trump up, invent (up)Related Words coin, design, hatch, produce; daydream, dream, fantasize; conceive, envisage, envision, imagine, picture, vision, visualize; ad-lib, extemporize, improviseNear Antonyms clone, copy, copycat, duplicate, imitate, mimic, reduplicate, replicate, reproduce