48 Words Use Instead of Very INFORMAL FORMAL find out ascertain free release get obtain get in touch with contact come in enter go against oppose go down decrease go up increase It’s about It concerns buy purchase keep retain leave out omit let permit look at examine make up fabricate need to required point out indicate put off delay put up tolerate rack up accumulate ring up call orry apologise seem appear set up establish show illustrate show up arrive stand for represent start commence think about consider