When it comes to describing something that has been pre-arranged or organized in advance, the phrase "have planned" often comes to mind. However, there are numerous synonyms for this phrase that can add more variety and depth to your writing. Some of these synonyms include "prearranged," "scheduled," "organized," "arranged," "plotted," "devised," "mapped out," "premeditated," "conceived," "thought out," and "envisioned." Each of these synonyms can bring a different nuance to your writing and help you convey your meaning more precisely. Whether you're writing a report, a proposal, or a creative piece, using these synonyms can help take your writing to the next level.