reason1, s.1Cúis f, fáth m -a; Phil: réasún m. The reason for my absence, an chúis a raibh mé as láthair. Jur: Reasons adduced, fáthanna a luaitear (mar chruthú). He did it for reasons best known to himself, aige féin is fearr a fhios cén fáth a ndearna sé é. For the same reason . . ., ar an ábhar céanna ... For no reason at all. gan fáth gan ábhar. For the very reason that. . ., go díreach mar gheall ar . . . What's the reason for it?cad is cúis leis?You have reason to be worried, tá údar imní agat. I have every reason to be tired, is beag an dochar dom a bheith tuirseach. I have reason to believe that . . ., tá údar agam lena chreidiúint go . . . He complains with (good) reason, tá sé ag gearán agus a chúis sin aige. All the more reason for going, is amhlaidh is córa dul ann. By reason of . . ., de bharr . . .,mar gheall ar . . . For that reason, dá bhrí sin. For what reason?cad chuige?2Ciall f, meabhair f -rach. He lost his reason, chuaigh sé as a mheabhair. To come to the use of reason, teacht in aois tuisceana, na céille. 3Réasún m, ciall f. To hear, listen to, reason, teacht chun caidirne; cluas a thabhairt do chomhairle. There is reason in what you say, tá ciall le do chuid cainte. It stands to reason, luíonn sé le réasún; tá sé le céill. I cannot in reason do it, ní bhfaighinn ó mo chiall é a dhéanamh. He will do anything in reason, déanfaidh sé rud cothrom ar bith. Everything in reason, tá measarthacht i ngach aon rud. The price of fish is out of all reason, tá an t-iasc as compás ar fad.
reason2 .1v.i.Réasúnaím. To reason from premises, réasúnaíocht a dhéanamh ó réamhleagan, F: meabhair a bhaint as scéal. To reason on, about, a subject, ábhar a chíoradh. To reason with s.o., dul chun réasúin le duine; F: ciall a chur i nduine. 2v.tr.aTo reason that . . ., a bheith d'argóint agat go . . . To reason whether . . ., a phlé cé acu . . . bTo reason s.o. out of doing sth., a chur ina luí ar dhuine gan rud a dhéanamh.