The phrase "alternate idea" is correct and usable in written English.
You can use it when suggesting a different concept or proposal in discussions or brainstorming sessions.
Example: "If the current plan doesn't work, we should consider an alternate idea that could achieve similar results."
Alternatives: "alternative concept" or "different suggestion".
With her close colleague the arranger and pianist Ted Sperling, Ms. McDonald came up with an alternate idea.
But the alternate idea – the direct election of the president by the people – was also rejected as being too unwieldy and to prevent voters from only choosing candidates from their home states or who had national name recognition.
But South Korea's presidential Blue House has suggested an alternate idea: a "good enough," phased-in deal for the United States and North Korea, in which Pyongyang would freeze its nuclear weapons production while receiving some form of sanctions relief, as a part of a gradual process toward complete denuclearization.
An alternate idea, however, is that Jupiter, nudged by leftover gas and dust in the early solar system, migrated inward to where Mars orbits today, scattering away the asteroids, and later was pulled outward again by the gravity of Saturn, and in its wake pulled back some asteroids.
A number of researchers however have championed an alternate idea: that these crests were used for some form of "species recognition" phenomenon: that they evolved primarily to help individuals correctly identify members of their own species, and separate out those of other species, either to make sure they mate with the right ones, or keep track of their herd or similar.
Alternate idea for the Clinton campaign: a counter convention called "Not Like This" where everyone cries.
Ms. Gallant denied the accusations, saying that alternate ideas had been tossed around in the community and by city leaders but that no serious discussions took place.
For those who are averse to spending $150 but who want to go beyond flowers and candy, here are some alternate ideas that say "I love you," for $25 or less.
The problem is the Republican party that promoted an agenda of personal attacks against opponents, rather than proposing alternate ideas for the future of America.
The Right, abetted by the news media, has hijacked the term religion, and those with alternate ideas about the role of faith in public (and private) life have been shut out of the discussion.
In terms of fostering student argumentation in the classroom, two conditions appear particularly important: an instructional task that challenges students to consider alternate ideas and a social context that invites dialogue (Osborne et al., 2004).
