Denshi Jisho — Online Japanese dictionary

相当 そうとう 1: befitting; becoming; worthy of; proportionate; in keeping with; suitable;
2: considerable; substantial;
3: (Suru verb) to be worthy of; to be proportionate to;
4: to correspond to (in meaning, function, etc.); to be equivalent;
5: (Adverb) extremely; considerably
Common word, Na-adjective, Adverbial noun, Suru verb 
相当数 そうとうすう a considerable number; a fair number
Noun 
相当語句 そうとうごく equivalent (in linguistics)
Noun 
相当な注意 そうとうなちゅうい due diligence; due care; reasonable diligence; reasonable care
Expression 

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