researcher

research association; research society / group of enthusiasts (as may be found in schools, colleges, etc)

research & development; R&D

(education) research project, done by Japanese schoolchildren during summer break, to be presented upon return to school

Shenzhen (a major sub-provincial city in Guangdong, in southeastern China)

a female given name

beneficent / merciful

careful, thoughtful, judicious

(poetic) late autumn; deepest autumn

(colloquial) Clipping of 意味深長 (imishinchō).