formulate

(verb) elaborate, as of theories and hypotheses. Synonyms: explicate, develop. Examples: "Could you develop the ideas in your thesis."

(verb) come up with (an idea, plan, explanation, theory, or principle) after a mental effort. Synonyms: invent, contrive, devise, excogitate, forge. Examples: "Excogitate a way to measure the speed of light."

(verb) put into words or an expression. Synonyms: give voice, word, phrase, articulate. Examples: "He formulated his concerns to the board of trustees."

(verb) prepare according to a formula.