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