in·vent 
(ĭn-vĕnt)
(ĭn-vĕnt)tr.v. in·vent·ed, in·vent·ing, in·vents
1. To produce or contrive (something previously unknown) by the use of ingenuity or imagination.
2. To make up; fabricate: invent a likely excuse.
[Latin invenīre, invent-, to find : in-, on, upon; see IN-2 + venīre, to come; see gwā- in the Appendix of Indo-European roots.]
in·venti·ble adj.
in·ventor n.