"keen response" is correct and usable in written English.
You can use it when you are referring to a prompt and enthusiastic response to something. For example, "The audience was impressed by the actor's keen response to his cue."
There'd been a keen response: far from dismissing it as a madcap notion in the depths of winter, people seemed well up for the idea.
So far, funds with a good reputation are finding a keen response from investors, especially in Europe: Allianz, Germany's biggest investor in private equity, has said that it is planning to invest much more.
Even in the first two acts, when they should radiate some illusory optimism, the three Prozorov sisters seem almost paralysed as their nouvelle riche sister-in-law Natasha slowly takes over their house and their lives.Judging by the keen response to the new production, Chekhov is striking a chord with audiences.
I would also like to acknowledge the study participants for providing me their keen response.
It's true that the three-cylinder engine struggles to overtake at speed, but it's such a game little engine in the urban setting, with its deep exhaust note and keen accelerator response, that you can easily forgive its ultimate lack of muscularity.
Last year's CX-5 was no slouch in terms of driving dynamics, delivering excellent steering feel, admirable body control and keen brake response.
Two tri-armed piezochromic fluorescent molecules of tris(4- 4-phenylquinolin-2-yl phenyl)amine (TPA-3Qu) and tris(4- 4-phenylquinolin-2-yl phenyllquinolin-2-yl)phenyl)amine (TPA-3QuCz) were prepared and found to exhibit keen fluorescence responses toward compression.
Although eating on a budget and maintaining a marginally healthy diet are in no ways mutually exclusive, it's probably a keen line of response on Deen's part.
Although these changes were not associated with a greater probability of pathologic response (Keen et al, 1997; Miller et al, 2003), the decline in proliferative activity caused by aromatase inhibitors is likely to reduce the process of apoptosis (Buzdar and Howell, 2001; Zhu et al, 2004).
The clothes business has always been keen on fast responses to changing tastes.
The test cars we tried came with optional Adaptive Chassis Control (ACC), whose comfort, normal and sport modes make the suspension's damping firmer, the steering less power-assisted and the accelerator pedal's response keener as you go through the modes.
