: 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 suffix: an affix occurring at the end of a word, base, or phrase â suffix in a sentence an affix occurring at the end of a word, base, or phraseâ¦ See the full definition
The suffix âwise is a versatile one. Apart from some fixed expressions where it means 'in the direction of', e.g. lengthwise, clockwise, anti-clockwise and useful function words such as likewise and otherwise, the suffix -wise can be added to a large number of words in the sense of âreferring toâ or âspeaking ofâ.