1.
keynote, basis, underlying tone
The fundamental tone, theme, or motif that underlies a work, design, or argument.
青を基調としたデザインだ。
It's a design based on blue tones.
基調講演では環境問題が取り上げられた。
Environmental issues were addressed in the keynote speech.
この映画は静けさを基調とした独特の雰囲気を持っている。
This film has a distinctive atmosphere grounded in quietness.
2.
prevailing trend, overall tendency
The dominant direction or tendency in markets, economics, or other measurable trends.
株価は上昇基調にある。
Stock prices are on an upward trend.
景気は回復基調が続いている。
The economy continues on a recovery trend.
原油価格は下落基調にあるが、地政学的リスクによって急騰する可能性もある。
Crude oil prices are on a downward trend, but there is also a possibility of a sharp rise due to geopolitical risks.
USAGE:
Sense 1 is common in design, art, and speech contexts. The pattern ～を基調とした (based on ~, with ~ as the keynote) is very frequent. Sense 2 appears in economic and market reporting with the pattern ～基調 (on a ~ trend).
COMMON COLLOCATIONS:
- ～を基調とした: based on ~, with ~ as the keynote
- 基調講演: keynote speech/address
- 上昇基調: upward trend
- 下落基調: downward trend
- 回復基調: recovery trend
- 白を基調とした: based on white tones
SIMILAR WORDS:
基調 implies the underlying or dominant tone/trend. 傾向 (tendency) is more general and neutral. 基本 (basis, fundamental) refers to the foundation itself rather than a pervading tone.