"offer an idea" is a correct and usable phrase in written English.
You can use it when you want to invite someone to present a concept or concept. For example, "Please offer an idea to improve the efficiency of our production line."
What employee would ever say that the boss is wrong, and offer an idea on how something might get done better?
For those who are new to beer (and even those who aren't), style boundaries offer an idea of what you're getting.
And "Shadow Divers" switches gears to offer an idea of who went down on the fallen sub and what their last days were like.
The great two-story columns at the entrance are in their natural state, and offer an idea of the facade's potential majesty.
They figure it out on their own — with no blame games and no asking, "when you say we …" They acknowledge the mistake and maybe even offer an idea about how to avoid another one in the future.
While it never saw the light of day and may never do now that original producer Bud Yorkin has sold the rights to Alcon, a few of the points Wright made in an email to Slash Film at the time offer an idea of what the movie might have been like.
Their work offers an idea of the shape of Asian contemporary art to come.
A wall of leather upholstery samples offers an idea of the range of colors and textures offered.
The National Alliance on Mental Illness recently offered an idea to help change this culture: the armed forces should award Purple Hearts for invisible, psychological wounds.
Yet the concert I attended last night offers an idea of "back to Brahms," a return to an immediate confrontation with the radicality of the music, that suggests a liberating distance from musical teachers, heroes, and legends.
In a White House meeting last week with Mr. Obama and Congressional leaders from both parties, Mr. Hoyer offered an idea to keep one from starting: pass a debt limit increase by June 8, a full month ahead of the deadline.
