thoughtful, a.1aSmaointeach, machnamhach. bCéillí, meabhrach. 2Tuisceanach(of; i dtaobh, do); cásmhar(of, i). To be thoughtful of others, bheith tuisceanach do dhaoine eile. He was so thoughtful as to notify me, bhí de chineáltas ann scéala a chur chugam. 3(Of book) Domhain. ►thoughtfully, adv.1Go smaointeach, etc.2Go céillí, etc.3Go tuisceanach, etc.