Aim (high) (6)
I believe the answer is:
aspire
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">aim high</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for aspire that I've seen before include "Have a strong desire to reach an objective" , "Have lofty aims" , "Desire (to reach higher things)" , "Yearn, dream (towards)" , "Earnestly desire (to achieve something)" .)