Jōyō kanji, Taught in junior high
JLPT level: N1
1403 of 2500 most used kanji in newspapers
Stroke count: 11
Meaning: disclose, open, say
Kunyomi: ひら.く さと.す
Onyomi: ケイ
Composition: 口
Radical: 口
Meaning: mouth, opening
啓発 (ケイハツ) enlightenment, development, edification, public awareness, illumination, education, inspiration
啓蒙 (ケイモウ) enlightenment, illumination
拝啓 (ハイケイ) Dear (so and so), Dear Sir, Dear Madam, To Whom It May Concern
敬啓 (ケイケイ) salutation at the end of a formal letter
啓く (ひらく) to enlighten, to edify