Explain the meaning of the highlighted words in the context of the provided sentences.

Here are the meanings of the highlighted words in the context of the sentences:

• kindle: In "A CARELESS word may kindle strife," kindle means to ignite or stir up, causing conflict or disagreement.
• wreck: In "A CRUEL word may wreck a life," wreck means to severely damage or destroy, causing great harm to someone's life.
• instill: In "A BITTER word may hate instill," instill means to gradually but firmly establish an idea or feeling in a person's mind, in this case, hate.
• smite: In "A BRUTAL word may smite and kill," smite means to strike with a firm blow, often implying a forceful or destructive impact.
• smooth: In "A GRACIOUS word may smooth the way," smooth means to make something easier or less difficult, removing obstacles.
• light: In "A JOYOUS word may light the day," light means to brighten or make cheerful, bringing happiness.
• lessen: In "A TIMELY word may lessen stress," lessen means to reduce or decrease, making something less severe.
• heal: In "A LOVING word may heal and bless," heal means to make healthy again or to alleviate a problem, bringing comfort and well-being.