acuminate[adjective]Synonyms: pointed, acicular, aciculate, acuminous, acute, cuspidate, peaked, peaky, piked, sharp
 [TahlilGaran] English Synonym Dictionary ▲
 acuminate verb. 
[ǝ'kju:mɪneɪt] L16.[formed as ACUMEN: see -ATE3.]1.  verb trans. Sharpen; give poignancy or keenness to. 
L16.2.  verb intrans. Rise or taper to a point. Chiefly as 
acuminating ppl adjective. 
M17. ■   acumi'nation noun sharpening or giving point to (
lit. & 
fig.); tending towards a point; a tapering point: 
M17.  [TahlilGaran] English Dictionary ▲