Denshi Jisho — Online Japanese dictionary

そう 1: conception; idea; thought;
2: (Buddhist term) samjna (perception)
Common word, Noun 
あいそ civility; courtesy; compliments; sociability; graces
Common word, Noun 
かそう imagination; supposition; virtual; potential (enemy)
Common word, Noun, Suru verb, No-adjective 
しそう thought; idea; ideology
Common word, Noun 
むそう dream; vision; reverie
Common word, Noun, Suru verb 
よそう expectation; anticipation; prediction; forecast; conjecture
Common word, Noun, Suru verb, No-adjective 
りそう ideal; dream
Common word, Noun, No-adjective 
きそう fantastic idea
Noun 
けそう falling in love; attachment
Noun, Suru verb 
しそう poetical imagination
Noun 
むそう a blank mind
Noun 
あいそう civility; courtesy; compliments; sociability; graces
Common word, Noun 
かいそう reflection; reminiscence
Common word, Noun, Suru verb, No-adjective 
かんそう impressions; thoughts
Common word, Noun, Suru verb 
くうそう daydream; fantasy; fancy; vision
Common word, Noun, Suru verb, No-adjective 
げんそう illusions
Common word, Noun, No-adjective 
こうそう plan; plot; idea; conception
Common word, Noun, Suru verb 
はっそう expression (e.g. in music); idea; conception; way of thinking
Common word, Noun, Suru verb 
めいそう meditation; contemplation
Common word, Noun, Suru verb 
もうそう wild idea; delusion
Common word, Noun, Suru verb 
れんそう association (of ideas); being reminded (of something); suggestion
Common word, Noun, Suru verb, No-adjective 
かんそう meditation; contemplation
Noun, Suru verb 
がくそう melodic subject; theme; motif
Noun 
ずいそう occasional thoughts
Noun 
ついそう recollection; reminiscence
Noun, Suru verb 
ぼうそう wild idea; delusion
Noun, Suru verb 

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