Merriam-Webster's Collegiate® Dictionary, 11th Edition
INCLINE
I. verb (inclined; inclining) see: lean
Date: 14th century
intransitive verb to bend the head or body forward ; bow , to lean, tend, or become drawn toward an opinion or course of conduct, to deviate from a line, direction, or course, transitive verb to cause to stoop or bow ; bend , to have influence on ; persuade , to give a bend or slant to, incliner noun Synonyms: see: incline
II. noun
Date: 1846
an inclined plane ; grade , slope