The phrase "acknowledge considerable" is correct and usable in written English.
It can be used when recognizing or admitting the significance or extent of something, often in a formal context.
Example: "We must acknowledge considerable progress in our research efforts over the past year."
Alternatives: "recognize significant" or "admit substantial".
Most studies of ancient binders acknowledge considerable difficulties in accurate identification due to the degradation of the original compounds, the mixture and interaction of materials present in the preparation, paint and protective layers, and the small sample size [25 27].
We acknowledge considerable debate about the advantages and disadvantages of cotinine validation of self-reported smoking status [ 28, 29].
We gratefully acknowledge considerable encouragement and support from Keith Roberts John Inness, UK) to Cristina Silva Pereira during the course of this work, and for his comments on the manuscript.
We acknowledge considerable uncertainty in the variables that will be used in the quantitative phase of the study, but opt for a binary outcome in order to achieve a larger sample size.
The IPCC FAR explicitly acknowledges considerable uncertainty in downscaled projections for these regions (14).
Patients and healthcare providers in this study, while acknowledging considerable psychosocial and spiritual distress and symptom burden, described the cumulative impact of these issues as having a largely positive effect on their spiritual well-being.
Nevertheless, they acknowledge devoting considerable resources to identifying potential new donors.
And yet I would be remiss if I did not acknowledge the considerable controversy that your generous decision has generated.
Hoggett is eager, in a telephone conversation, to acknowledge his considerable debt to Graham Scotttt is part of the theatrical language I use every day.
It's not quite Mr. Romney's constant description of a tattered and threadbare country, but it does acknowledge the considerable difficulties that remain.
Pentagon and military officials acknowledge the considerable commitment of money that will be required for continuing the missions in Iraq and Afghanistan, as well as efforts to increase the size of the Army, Marine Corps and Special Operations forces, to replace weapons worn out in the desert and to assure "quality of life" for those in uniform so they will remain in the military.
