: 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¦
-ine. 1. A suffix used to form the names of chemical substances, including halogens (e.g., chlorine), organic bases (guanine), amino acids (glycine), botanical principles (caffeine), pharmaceuticals (meperidine), and others. 2. General adj. suffix (e.g., equine, uterine).