Science consists entirely of theories - tentative, fluid proposals based on people's best bets for how the world works.

A tentative proposal does not logically create any kind of obstacle for its subject, and, as such, are offers.

Nearly all tentative proposals require uncomfortable choices and clear-cut downsides.

The first family is a more tentative proposal than the others and awaits confirmation.

The tentative proposals have long been in the air.

The following objections have been made to this tentative proposal:

The American Home offer is a tentative proposal, the sources said.

No wonder she had so forcefully rejected his tentative proposal.

There are also tentative proposals for a straight cut in the agricultural budget.

The department said last week that it would have no comment on its tentative proposal.