: 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¦
The suffix '-ine' means 'to have the nature of', and changes a noun to an adjective; asinine; to have the nature of an ass ursine; to have the nature of a bear vulpine; to havâ¦e the nature of a vulture marine; to have the nature of the sea saline; to have the nature of salt. 2 people found this useful. Bexsabe.