うとうとする (translations)→ drift sleepy
ぼんやりする (translations)→ daydream spend
考え (translations)→ angle calculation concern feel feeling help idea interest math meaning mind motive notion opinion picture reflection solution suggestion theory think thought valuation view way worldview
想像する (translations)→ assume draw envision guess ideate imagine realize reflect suppose suspect vision visualize wonder
夢 (translations)→ curiosity expectation fantasy imagination seek wish