Denshi Jisho — Online Japanese dictionary

充実 じゅうじつ 1: fullness; completion; perfection; substantiality; enrichment;
2: replenishment; repletion
Common word, Noun, Suru verb 
充実 じゅうじつかん sense of fulfillment; sense of completeness; sense of accomplishment
Noun 
充実した じゅうじつした full; complete; replete with; substantial (meal); solid (reading); productive (day)
Noun or verb acting prenominally 

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