1.
authentic, genuine, real
True to the original, not imitation or amateur.
本格的なイタリア料理を食べた。
I ate authentic Italian food.
2.
full-scale, full-fledged, serious
Complete or thorough, not preliminary or partial.
本格的な夏が始まった。
Real summer has begun.
本格的に勉強を始める。
I'm going to start studying seriously.
本格的 describes something authentic, genuine, or done in a serious/full-scale manner.
WORD FORMATION:
本格 (authentic/proper form) + 的 (suffix forming na-adjectives)
FORMS:
- Adverbial: 本格的に (seriously, in earnest)
- Noun: 本格 (the real thing, authentic style)
COMMON COLLOCATIONS:
- 本格的な料理: authentic cuisine
- 本格的な夏: real summer (as opposed to early hints of summer)
- 本格的に始まる: to begin in earnest
- 本格的に取り組む: to tackle seriously
USAGE:
Sense 1 (authentic) often describes food, art, or skills. Sense 2 (full-scale) describes seasons, events, or efforts ramping up to their peak.