1. The act of passing the summer; the disposition of the petals within the floral gem or bud.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• wstivation,
• sstivation,
• dstivation,
• rstivation,
• 4stivation,
• 3stivation,
• eativation,
• estibation,
• estivastion,
• estivition,
• estyuation,
• estuyation,
• esttuation,
• estuattion,
• etioltion,
• testfication,
• Oestivaltion,
• Estatvation,
• Asteivation,
• Estivaition

• estival,
• estivate.

The adjective form of the word "estivation" is "estivate".

The plural of the "estivation" can be the "estivations".

The singular of the "estivation" can be the "estivation".