[lemma=think | lemma=formulate] [lemma=or] [word=opinion] [□]
[lemma=think | lemma=formulate] [lemma=or] [word=opinion] [□=□]
[lemma=think | lemma=formulate] [lemma=or] [word=opinion] [!□]
An idea is a coherently formulated thought or opinion usually based on the discovery of a pattern itself based on facts .