Antonym: unthinking. Similar words: to my way of thinking, sinking feeling, think, think of, think out, thinker, think up, think about. Meaning: ['ðɪŋkɪŋ] 
n. the process of using your mind to consider something carefully. adj. endowed with the capacity to reason.
n. the process of using your mind to consider something carefully. adj. endowed with the capacity to reason. 
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241. An expert is a man who has stopped thinking - he knows! Frank Lloyd Wright 
242. All war is a symptom of man's failure as a thinking animal. John Steinbeck
243. Take time to deliberate, but when the time for action comes, stop thinking and go in. Napoleon Bonaparte
244. The poetry is always churning in my mind, and I jot it down. I don’t need any special conditions in order to produce my work. I can write anywhere, because just as life goes on all the time, this process of thinking and writing goes on alongside it. Gulzar
245. A lighthouse is not interested in who gets its light! It just gives it without thinking! Giving light is its nature! Mehmet Murat ildan
246. Very little is needed to make a happy life; it is all within yourself,[http://sentencedict.com/thinking.html] in your way of thinking. Marcus Aurelius
247. We are addicted to our thoughts. We cannot change anything if we cannot change our thinking. Santosh Kalwar
248. When my cats aren't happy, I'm not happy. Not because I care about their mood but because I know they're just sitting there thinking up ways to get even. Percy Bysshe Shelley
249. The only place where your dream becomes impossible is in your own thinking. Robert H. Schuller
250. There are different rules for reading, for thinking, and for talking. Writing blends all three of them. Mason Cooley
More similar words: to my way of thinking, sinking feeling, think, think of, think out, thinker, think up, think about, think over, think twice, ranking, banking, unthinkable, franking, planking, think through, debunking, living thing, thing, nothing, anything, mouthing, writhing, soothing, scathing, sheathing, frothing, clothing, nothing but, something.