2.06: 唯達者知通為一 see 通達
4.01: 未達人氣；. .，未達人心
4.04: 時其飢飽，達其怒心。
5.04: 死生存亡，窮達貧富 [Opposites: 窮≠達, so "success"? "comprehension"?)
11.03: 我聞吾子達於至道
14.03: 聖也者，達於情而遂於命也。
15.03: directions? 精神四達並流
17.7: 知道者必達於理，達於理者必明於權
17.10: 吾自以為至達已
18.05: 是之謂條達而福持。
19.01: 達生之情者，不務生之所無以為；達命之情者，不務知之所無奈何。
20.07: 始用四達 directions
22.02: 而達萬物之理
22.05: 思慮恂達
23.03: 趎勉聞道達耳矣 reach only my ears
23.08: 敬中以達彼 reach
23.16: 達道之塞 penetrate; reach through
25.01: 其窮也 . . .其達也 Opposites: 窮≠達,
25.02: 聖人達綢繆，周盡一體矣
25.04: 「知遊心於無窮，而反在通達之國，若存若亡乎？」「通達之中有魏
26.03: 其於大達亦遠矣
32.11: 有順懁而達 Opposites: 順≠達
32.13: 達生之情者傀，達於知者肖；達大命者隨，達小命者遭
通達 25.04, 32.13. see 2.06
達 means to reach, get through or to the end. Penetrate sounds too sexual. Comprehend means to surround but has the same sense of achievement, which "understand" lacks.