This is the 5044th most frequent Spanish word.
estimación
Estimation; assessment or regard.
Here, 'estimación' refers to the act of calculating or approximating a value for the cost of the trip.
La estimación del costo del viaje fue hecha por la agencia de viajes.
The cost estimation of the trip was made by the travel agency.
In this sentence, 'estimación' signifies the act of predicting or approximating quantitative results with precision.
Su estimación de los resultados fue muy precisa.
His estimate of the results was very accurate.
Here, 'estimación' conveys a sense of respect or admiration that colleagues feel towards someone.