Best answers for Mainspring – Crossword Clue

1. Definition: 1. a reason for wanting something done; "for your sake"; "died for the sake of his country"; "in the interest of safety"; "in the common interest"

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1. Definition: 1. resulting favorably;

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1. Definition: 1. a number or letter indicating quality (especially of a student's performance); "she made good marks in algebra"; "grade A milk"; "what was your score on your homework?"

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1. Definition: 1. any entity that produces an effect or is responsible for events or results

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1. Definition: 1. a fact that logically justifies some premise or conclusion; "there is reason to believe he is lying"

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1. Definition: 1. animal hunted or caught for food

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1. Definition: 1. a facility where something is available

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1. Definition: 1. a light, self-propelled movement upwards or forwards

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1. Definition: 1. (law) an explanation of the fundamental reasons (especially an explanation of the working of some device in terms of laws of nature); "the rationale for capital punishment"; "the principles of internal-combustion engines"

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1. Definition: 1. an abundant source; "she was a well of information"

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