To meet present needs or requirements; be sufficient: These rations will suffice until next week.
To be equal to a specified task; be capable: No words will suffice to convey my grief.
To satisfy the needs or requirements of; be enough for.
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.