# Difference in nuance between 思想、想定、and 予想？

Wanikani is presenting all three of these words at once in level 13 and I keep mixing them up because I don’t really understand the nuance between them as well as all of the other words it has presented before for “hypothesis”

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Latter two carries the same nuance as the english “expect” and “assume”.

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This one I think is a candidate for a complete rewrite of the meaning explanation and a change of the primary meaning. Because neither the primary meaning nor the alternative meanings listed are “expectation” [they are “hypothesis” (primary), “supposition”, “assumption”]; and yet, all but one of the Common Combinations examples use “expectation(s)/expected”.

Edit: Additional confusion is generated by 予想 being listed with primary meaning “expectation” alternative “anticipation, prediction” and no mention of “assumption”. 期待 is also given as “expectation” or “anticipation”. There’s also 仮説 and 仮定 given as “hypothesis” and “assumption” with alternative “hypothesis” respectively.

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@Mods what do you think of LupoMikti’s opinion on 想定 ?

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I live for this thread. I always wanted to deep dive into these words but didn’t really have the brain bandwidth.

Searching for these words in a book about the history of quantum physics that I have on Kindle, this is what I can see. Listed in order of frequency:

Pretty much what @Gorbit99 said.

It’s interesting that the gloss “hypothesis” shows up at all for 想定. Here is the definition straight from the Green Goddess herself:

Blockquote
そうてい【想定】
〔仮定〕 a hypothesis 《pl. hypotheses》; （a） supposition; （an） assumption; 〔予想〕 expectation; anticipation; 〔見積り〕 （an） estimation; 〔将来の販売額などの〕 a projection

Maybe the problem is that in English we don’t really use the word “hypothesis” except in the scientific sense? I don’t know. What I do know is I’ll probably end up wasting the rest of my night on this instead of reading

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Thanks for the ping! I’ll pass this on to the team to see if they’d like to make any changes.

Update:

In case you haven’t seen the latest content post, we made the following changes:

We also made changes to these related words which weren’t mentioned in the thread:

Thanks again for the feedback!

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