88. The demonstrative adverb of manner and degree, related to the
demonstrative pronoun "tiu", is "tiel", in that (this) manner, in
such a way, thus, so. Like English "thus," "so," "tiel" may modify
adjectives and other adverbs, by indicating degree:
Cxu oni tiel helpas amikon?
Does one help a friend in that (this) way?
Mi gxin skribis tiel, I wrote it thus (in such a way).
La vetero estas tiel bela, the weather is so beautiful.
Tiel mallonge li parolis, thus briefly he spoke.
Mi trovis tiel belan floron, I found such a beautiful flower.
Li prenis tiel multe, he took that much (so much).