also: かいする
godan verb (-su), intransitive verb
Intransitive godan verb meaning to come together, meet, or assemble. In modern Japanese, 会する (suru-verb) is overwhelmingly more common; 会す is a rare, older variant.
See also: 会する
In old documents it is sometimes written as 会す, but in modern times 会する is normal.
godan verb (-su), intransitive verb
Rare usage for encountering someone or something, typically by chance. Again, 会する is the modern equivalent.
「会す」は偶然の出会いにも使われたが、今は「会する」や「出会う」が一般的だ。
会す was also used for chance encounters, but now 会する or 出会う are common.