verb, formal - to form an opinion or reach a conclusion based on incomplete or limited information; to make an educated guess or assumption without having full evidence
noun - a slow-growing organism that arises from a symbiotic relationship between a fungus and an alga or cyanobacterium, often found on rocks, trees, or soil
noun, British English - a motorcycle or car race held on an oval dirt or paved track, where riders or drivers compete at high speed, often sliding through corners