Concentrate -

To direct one’s full attention and effort toward a specific task or problem.

"Concentrate" is a versatile word that primarily describes the act of focusing mental energy, but it also carries distinct meanings in chemistry, cooking, and industrial settings. Core Definitions concentrate

To make a substance stronger or purer by removing liquids (like water) or impurities. Noun Example: "Frozen orange juice concentrate". Verb Example: "Boil the sauce to concentrate its flavors". Common Synonyms The best synonym depends on how you are using the word: To direct one’s full attention and effort toward

Example: "The country's population is concentrated in major cities". or "pore over". For gathering: Accumulate

Focus, center, rivet, attend, or "pore over". For gathering: Accumulate, amass, congregate, or cluster.

To bring or gather things together in one place or toward a common center.