rational Merriam-Webster Merriam Webster "rational" http://www.merriam-webster.com/dictionary/rational rational Merriam Webster "rational" "rational" rational Merriam Webster "rational" refuse to be reasoned with. Merriam Webster "rational" relating to, based on, or agreeable to reason Merriam-Webster rational rational refuse to be reasoned with. Merriam-Webster Merriam Webster "rational" rational having reason or understanding Merriam Webster "rational" rational