Sentence:  The guide was able to <WSD>lead</WSD> the tourists through the jungle safely. 
Meaning of the word marked with <WSD> tags:  To guide or conduct in a certain course, or to a certain place or end, by making the way known; to show the way, especially by going with or going in advance of, to lead a pupil; to guide somebody somewhere or to bring somebody somewhere by means of instructions.