—v.t. 1. to think; consider (used reflexively): He bethought himself a moment. 2. to remind (oneself): to bethink oneself of family obligations. 3. to remember; recall (used reflexively): She lives in the past now, bethinking herself of happier days. 4. to determine; resolve: Under the circumstances I could not otherwise bethink me. 5. Archaic.to bear in mind; remember.