1) Acted like a pupil 2) Did let a shape get enlarged 3) Enlarged 4) Expanded 5) Expatiated 6) Grew wide 7) Grew wider 8) Like some pupils 9) Swelled 10) What a pupil did in the dark 11) Widened 12) Widened or expanded 1) Ampliate 2) Dilatate 3) Expanded 4) Widened 
• (a.) Widening into a lamina or into lateral winglike appendages. • (a.) Having the margin wide and spreading. • (a.) Expanded; enlarged. • (imp. & p. p.) of Dilate
Expanded, broadened, flaring.
(Humans as organisms) widened or expanded
Di·lat'ed adjective 1. Expanded; enlarged. Shak. 2. (Botany) Widening into a lamina or into lateral winglike appendages. 3. (Zoology) Having the margin wide and spreading. 
Enlarged or widened; expanded.
[adj] - made wider or larger in all dimensions
adjective made wider or larger in all dimensions; `a dilated pupil`