De-selecting means to remove or deselect something, but what are the antonyms of it? Opposite to de-selecting is selecting, adding, including, choosing, electing, appointing, accepting, and approving. This set of antonyms provides actions to do on items that are otherwise removed or unselected. Selecting, adding, and choosing are actions that suggest an intentional method of picking something, while electing and appointing imply a formal process. Accepting and approving can be used to describe allowing something to remain selected. Whatever the context may be, having antonyms for de-selection allows for a wider range of options to explore.