well-aˈttempered,ppl.a. 1845Neale Seaton. Poems (1864) 9 Vain the trust in lance and mail And well-attemper'd sword.1852Tennyson Ode Wellington 74 A man of well-attemper'd frame.1866Felton Anc. & Mod.Gr. I. ii. ix. 442 The soft and well-attempered air of spring.