Based on the clue 'also meaning to stop an action in climbing it mean...', what is the answer?

Based on the clue 'also meaning the main cause the main one of these ...', what is the answer? Based on the clue 'also meaning to die a frog does this by closing of...', what is the answer? Based on the clue 'also meaning to disturb or excite its the term for...', what is the answer? Based on the clue 'also meaning to hold back its a phrase or line tha...', what is the answer? Based on the clue 'also meaning touch its a keen sense of what to say...', what is the answer? Based on the clue 'also named james this 11th president reinforced ja...', what is the answer? Based on the clue 'also one end of a swimming pool this adjective can...', what is the answer? Based on the clue 'also one of the most noted mathematicians of his t...', what is the answer?