"安慰": (1) v. to make sb feel comfortable.
eg. ①安慰病人。②你要多安慰她,叫她别太难过。
(2) adj. sb feels quiet and comfortable because his or her gain satisfaction in sprit.
eg. 有女儿在身边,她感到很安慰。
"慰藉": has the same meaning with "安慰", but it is only a verb. besides, it is used in written language more often.