an individual who provides written or oral testimony under oath, typically in a legal context

deponente, testimone

exhibiting a shimmering, rainbow-like play of colors, typically due to refraction of light

iridescente, iridescente (agg)

possessing wisdom, intelligence, or discernment, capable of rational thought and understanding

sapiens, saggio

an element or part that creates a larger whole when with the other elements or parts

componente
shy or timid, especially in social situations, often accompanied by a reluctance to draw attention to oneself

timido, ritroso

occurring intermittently, with irregular starts and stops, often lacking continuity or consistency

intermittente, a scatti

expressing longing or yearning tinged with sadness or melancholy, often for something unattainable or lost

melanconico, nostalgico

