Noah Webster's Dictionary 1. (v. t.) To familiarize by use or habit; to habituate; as, to accustom oneself to humid weather. 2. (v. i.) To be wont. 3. (v. i.) To cohabit. 4. (n.) Custom.

Multi-Version Concordance Accustom (1 Occurrence) Jeremiah 10:2 Thus said Jehovah: Unto the way of the nations accustom not yourselves, And by the signs of the heavens be not affrighted, For the nations are affrighted by them. (YLT)