how to say 安慰, 安慰剂, 安慰奖 in English?

安樂死 = euthanasia
= mercy-killing; mercy悲
= assisted協助 suicide自殺

安慰= to console
= to solace
= to assure and appease
= to aid and comfort

安慰劑 = placebo

安慰獎 = consolation prize