seasonable sea-son-a-ble / sē-zə-nə-bəl adjective 1. appropriate or characteristic of the season or time of year It was a wild, cold, seasonable night of March, with a pale moon, lying on her back as though the wind had tilted her. From “Dr. Jekyll and Mr. Hyde” by Robert Louis Stevenson, 1850 – 1894 2. occurring at the appropriate time; timely The true wisdom is to be always seasonable, and to change with a good grace in changing circumstances. Robert Louis Stevenson, 1850 – 1894 etymology From the Middle English adjective sesonable, a combination of the adjective-forming suffix -able, which comes from the Latin adjective-forming suffix -abilis/ -ibilis/ -bilis (indicating capacity, fitness, suitability, tendency toward, causation), with the Old French noun seson/ seison/ saison (sowing time), which comes from the Latin Feminine noun satio, sationis (sowing, planting), derived from the same root as the Latin verb sero serere, sevi, satum (sow, plant). Thank you to Allen Ward for providing this etymology.