noun, noun or participle which takes 'suru', intransitive verb
Used for agreeing to an opinion, proposal, rule, contract, treatment, etc. As a する-verb, it is usually intransitive and commonly takes に: 提案に同意する.
利用規約に同意する必要があります。
You need to agree to the terms of use.
手術には本人の同意が必要です。
The patient's consent is required for the surgery.
noun, noun which may take the genitive case particle 'no'
same opinion; same view
Overlaps with the idea of agreeing, but emphasizes that one's view is the same as someone else's. Often used predicatively as 同意です or before a noun as 同意の.
その点については私も同意です。
On that point, I am of the same opinion.
同意の方は手を挙げてください。
Those who share that view, please raise your hand.
noun, noun which may take the genitive case particle 'no'
Lexical or semantic use, mostly seen in compounds and explanations such as 同意語; 同義 is also very common for 'same meaning' or 'synonymous'.
「開始」と「スタート」は同意語として扱われることが多い。
"Kaishi" and "start" are often treated as words with the same meaning.