相当 (そうとう)corresponding to (in meaning, function, etc.); being equivalent to; appropriate

corresponding to (in meaning, function, etc.); being equivalent tonoun (common) (futsuumeishi), noun or participle which takes the aux. verb suru
appropriate; suitable; befittingadjectival nouns or quasi-adjectives (keiyodoshi), nouns which may take the genitive case particle 'no'
to be proportionate to; to be in keeping with; to be deserving ofnoun or participle which takes the aux. verb suru
considerable; substantialadjectival nouns or quasi-adjectives (keiyodoshi), nouns which may take the genitive case particle 'no'
considerably; rather; quiteadverb (fukushi)

相当, its kanji, and other words that share them.Open this graph

Kanji in 相当

外相がいしょうForeign Minister
相手あいてcompanion; partner
首相しゅしょうprime minister; chancellor (Germany, Austria, etc.)
相互そうごmutual; reciprocal
相談そうだんconsultation; discussion
蔵相ぞうしょうMinister of Finance
相場そうばmarket price
相撲すもうsumo wrestling
当初とうしょbeginning; start
当局とうきょくauthorities; relevant authorities
当時とうじat that time; in those days
当選とうせんbeing elected
当面とうめんcurrent; urgent
担当たんとうbeing in charge (of an area of responsibility); being responsible (for a work role, etc.)
本当ほんとうtruth; reality
当然とうぜんnatural; right

See how 相当 connects to the rest of Japanese.