: having or showing an ability to notice and understand things clearly : mentally sharp or clever. 1  He is an astute observer of the current political scene. 2  Astute readers will notice the error. 3  She made some astute [=insightful] observations about the movie industry. 4  His analysis of the battle was very astute.
Define -ize: cause to be or conform to or resemble : cause to be formed into; subject to a (specified) action â -ize in a sentence cause to be or conform to or resemble : cause to be formed into; subject to a (specified) action; impregnate or treat or combine withâ¦
Word origin: From Ancient Greek á¼Î½Î­ÏÎ³ÎµÎ¹Î± (energeia) action, act, work, < á¼Î½ÎµÏÎ³ÏÏ (energos) active < á¼Î½ (en) in + á¼ÏÎ³Î¿Î½ (ergon) work. Related forms: energize (verb), energetic (adjective).