Definitions
1.VerbUsed other than figuratively or idiomatically: see lean, into.
2.VerbTo make an effort with; to work hard at; to show determination and perseverance.
3.VerbTo embrace; to experience fully or respond to wholeheartedly.
4.VerbTo take on or embrace something difficult or unpleasant, usually through determination or perseverance; to find a way to benefit from, or alleviate the harm of, risk, uncertainty and difficult situations.